#instrument a device that requires skill for proper use
supertype: #device an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
subtype: #analyzer__analyser an instrument that performs analyses
subtype: #cautery__cauterant an instrument or substance used to destroy tissue for medical reasons (eg removal of a wart) by burning it with a hot iron or an electric current or a caustic or by freezing it
subtype: #cryocautery.cautery an instrument for destroying tissue by freezing it
subtype: #searing_iron__searingiron a hot iron used to destroy tissue
subtype: #drafting_instrument an instrument used by a draftsman in making drawings
subtype: #compass.drafting_instrument__compas drafting instrument used for drawing circles
subtype: #dividers a drafting instrument resembling a compass that is used for dividing lines into equal segments or for transferring measurements
subtype: #protractor drafting instrument used to draw or measure angles
subtype: #triangle.drafting_instrument any of various triangular drafting instruments used to draw straight lines at specified angles
subtype: #T-square a square used by draftsmen to draw parallel lines
subtype: #extractor an instrument for extracting tight-fitting components
subtype: #forceps an extractor consisting of a pair of pincers used in medical treatment (especially for the delivery of babies)
subtype: #lion-jaw_forceps a type of forceps
subtype: #mouse-tooth_forceps__mousetoothforcep a type of forceps
subtype: #instrument_of_execution an instrument designed and used to take the life of a condemned person
subtype: #electric_chair__chair__deathchair__hot_seat__hotseat an instrument of execution by electrocution; resembles a chair
subtype: #gallows__gallow__gallowstree__gibbet__gallous__gallou instrument of execution consisting of a wooden frame from which condemned persons are executed by hanging
subtype: #garrote__garotte__garrotte__iron_collar an instrument of execution for execution by strangulation
subtype: #gas_chamber__death_chamber__deathchamber instrument of execution consisting of a sealed chamber into which poison gas is introduced; used to kill people or animals
subtype: #guillotine instrument of execution that consists of a weighted blade between two vertical poles; used for beheading people
subtype: #stake instrument of execution consisting of a vertical post that a victim is tied to for burning
subtype: #instrument_of_punishment an instrument designed and used to punish a condemned person
subtype: #cangue an instrument of punishment formerly used in China for petty criminals; consists of a heavy wooden collar enclosing the neck and arms
subtype: #cucking_stool__cuckingstool__ducking_stool__duckingstool an instrument of punishment consisting of a chair in which offenders were ducked in water
subtype: #instrument_of_torture an instrument of punishment designed and used to inflict torture on the condemned person
subtype: #iron_boot__boot__iron_heel an instrument of torture that is used to crush the foot and leg
subtype: #iron_maiden instrument of torture consisting of a hollow iron frame shaped like the human body and lined with spikes to impale the victim
subtype: #rack.instrument_of_torture__wheel an instrument of torture that stretches or disjoints or mutilates victims
subtype: #thumbscrew.instrument_of_torture instrument of torture that crushes the thumb
subtype: #paddle an instrument of punishment consisting of a flat board
subtype: #pillory__stock a wooden instrument of punishment on a post with holes for the neck and hands; offenders were locked in and so exposed to public scorn
subtype: #switch.instrument_of_punishment a flexible implement used as an instrument of punishment
subtype: #birch_rod__birchrod__birch bundle of birch twigs used to hit people as punishment
subtype: #cane.switch a stiff switch used to hit students as punishment
subtype: #ferule a switch (a stick or cane or flat paddle) used to punish children
subtype: #rattan__ratan a switch made from the stems of the rattan palms
subtype: #measuring_instrument__measuringinstrument__measuring_system__measuringsystem__measuring_device__measuringdevice instrument that shows the extent or amount or quantity or degree of something
subtype: #accelerometer an instrument for measuring the acceleration of aircraft or rockets
subtype: #actinometer an instrument for measuring the intensity of electromagnetic radiation (usually by the photochemical effect)
subtype: #algometer device for measuring pain caused by pressure
subtype: #altazimuth an instrument that measures the altitude and azimuth of celestial bodies; used in navigation
subtype: #altimeter an instrument that measures the height above ground; used in navigation
subtype: #hypsometer an altimeter that uses the boiling point of water to determine land elevation
subtype: #astrolabe an early form of sextant
subtype: #atmometer__evaporometer an instrument that measures rate of evaporation of water
subtype: #audiometer an instrument used to measure the sensitivity of hearing
subtype: #barometer an instrument that measures atmospheric pressure
subtype: #aneroid_barometer__aneroidbarometer__aneroid a barometer that measures pressure without using fluids
subtype: #barograph a recording barometer; automatically records on paper the variations in atmospheric pressure
subtype: #mercury_barometer__mercurybarometer barometer that shows pressure by the height of a column of mercury
subtype: #weatherglass a simple barometer for indicating changes in atmospheric pressure
subtype: #bolometer an instrument that measures heat radiation; extremely sensitive
subtype: #bubble_chamber an instrument that records the tracks of ionizing particles
subtype: #burette measuring instrument consisting of a graduated glass tube with a tap at the bottom; used for titration
subtype: #caliper__calipers__calliper__callipers__calliper an instrument for measuring the distance between two points
subtype: #inside_caliper caliper for measuring inside dimensions (the size of a cavity or hole); points on its legs curve outward
subtype: #micrometer_caliper__micrometer__micrometer_gauge caliper for measuring small distances
subtype: #odd-leg_caliper__oddlegcaliper caliper having the points on its legs both curve in the same direction
subtype: #outside_caliper__outsidecaliper caliper for measuring outside dimensions; points on its legs curve inward
subtype: #vernier_caliper__vernier_micrometer__verniermicrometer a caliper with a vernier scale for very fine measurements
subtype: #calorimeter a measuring instrument that determines quantities of heat
subtype: #bomb_calorimeter__bomb strong sealed vessel for measuring heat of combustion
subtype: #chronoscope an instrument for accurate measurements of small intervals of time
subtype: #time-delay_measuring_instrument__time-delay_measuring_system chronoscope for measuring the time difference between two events
subtype: #colorimeter__tintometer a measuring instrument used in colorimetric analysis to determine the quantity of a substance from the color it yields with specific reagents
subtype: #counter_tube__countertube a measuring instrument for counting individual ionizing events
subtype: #crystal_counter__crystalcounter a counter tube in which an ionizing event increases conductivity
subtype: #Geiger_counter__Geiger-Muller_counter counter tube that detects ionizing radiations
subtype: #proportional_counter_tube__proportional_counter counter tube whose output pulse is proportional to number of ions produced
subtype: #boron_counter_tube__boroncountertube a proportional counter tube for counting neutrons
subtype: #scintillation_counter__scintillationcounter counter tube in which light flashes when exposed to ionizing radiation
subtype: #craniometer an instrument for measuring skull sizes
subtype: #cryoscope a measuring instrument for measuring freezing and melting points
subtype: #transit_declinometer__transitdeclinometer__declinometer an instrument for measuring magnetic declination
subtype: #densimeter__densitometer a measuring instrument for determining density or specific gravity
subtype: #dasymeter densimeter consisting of a thin glass globe that is weighed in a gas to determine its density
subtype: #densitometer a measuring instrument for determining optical or photographic density
subtype: #microphotometer special kind of densitometer that measures density variations over a very small area
subtype: #dosemeter__dosimeter a measuring instrument for measuring doses of ionizing radiation (X-rays or radioactivity)
subtype: #dynamometer measuring instrument designed to measure power
subtype: #electrodynamometer measuring instrument that uses the interaction of the magnetic fields of two coils to measure current or voltage or power
subtype: #electroscope measuring instrument that detects electric charge; two gold leaves diverge owing to repulsion of charges with like sign
subtype: #eudiometer measuring instrument consisting of a graduated glass tube for measuring volume changes in chemical reactions between gases
subtype: #gauge__gage a measuring instrument for measuring and indicating a quantity or for testing conformity with a standard
subtype: #anemometer__wind_gauge a gauge for recording the speed and direction of wind
subtype: #depth_gauge__depthgauge a gauge for measuring the depth of grooves or holes or other concavities
subtype: #dipstick a graduated rod dipped into a container to indicate the fluid level
subtype: #gasoline_gauge__gas_gauge__gasgauge gauge that indicates the amount of gasoline left in the gasoline tank of a vehicle
subtype: #pressure_gauge gauge for measuring and indicating fluid pressure
subtype: #manometer a pressure gauge for comparing pressures of a gas
subtype: #tensimeter a manometer for measuring vapor pressure
subtype: #sphygmomanometer a pressure gauge for measuring blood pressure
subtype: #rain_gauge gauge consisting of an instrument to measure the quantity of precipitation
subtype: #strain_gauge an gauge for measuring strain in a surface
subtype: #surface_gauge__surfacegauge__scribing_block gauge consisting of a scriber mounted on an adjustable stand; used to test the accuracy of plane surfaces
subtype: #vacuum_gauge a gauge for indicating negative atmospheric pressure
subtype: #water_gauge__watergauge__water_gage__watergage__waterglas gauge for indicating the level of water in e.g. a tank or boiler or reservoir
subtype: #water_level.water_gauge a water gauge that shows the level by showing the surface of the water in a trough or U-shaped tube
subtype: #wire_gauge gauge for measuring the diameter of wire
subtype: #graduate a measuring instrument for measuring fluid volume; a glass container (cup or cylinder or flask) whose sides are marked with or divided into amounts
subtype: #graduated_cylinder__graduatedcylinder a cylindrical graduate
subtype: #gravimeter__gravity_meter__gravitymeter a measuring instrument for measuring variations in the gravitational field of the earth
subtype: #hematocrit__haematocrit a measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood
subtype: #hydrometer__gravimeter a measuring instrument for determining the specific gravity of a liquid or solid
subtype: #salinometer a hydrometer that determines the concentration of salt solutions by measuring their density
subtype: #thermohydrometer__thermogravimeter a hydrometer that includes a thermometer
subtype: #hygrometer measuring instrument for measuring the relative humidity of the atmosphere
subtype: #hygrodeik a wet and dry bulb hygrometer
subtype: #hygroscope hygrometer that shows variations in the relative humidity of the atmosphere
subtype: #psychrometer a hygrometer consisting of a dry-bulb thermometer and a wet-bulb thermometer; their difference indicates the dryness of the surrounding air
subtype: #dip_circle__dipcircle__inclinometer a measuring instrument for measuring the angle of magnetic dip (as from an airplane)
subtype: #integrator__planimeter a measuring instrument for measuring the area of an irregular plane figure
subtype: #interferometer any measuring instrument that uses interference patterns to make accurate measurements of waves
subtype: #ionization_chamber__ionization_tube a measuring instrument that measures the amount of ionizing radiation
subtype: #boron_chamber__boronchamber an ionization chamber lined with boron or filled with boron trifluoride gas for counting low velocity neutrons
subtype: #Geiger_tube__Geiger-Muller_tube an ionization chamber contained in a tube in a Geiger counter
subtype: #katharometer measures thermal conductivity
subtype: #Kundt's_tube a measuring instrument used to measure the speed of sound
subtype: #log.measuring_instrument measuring instrument that consists of a float that trails from a ship by a knotted line in order to measure the ship's speed through the water
subtype: #harpoon_log__harpoonlog a cylindrical log with a device that registers distance
subtype: #patent_log__screw_log__screwlog__taffrail_log a torpedo-shaped log with rotary fins that measure the ship's speed
subtype: #measuring_stick__measuringstick__measure__measuring_rod__measuringrod measuring instrument having a sequence of marks at regular intervals; used as a reference in making measurements
subtype: #board_rule__boardrule a measure used in computing board feet
subtype: #ruler__rule measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths
subtype: #carpenter's_rule__carpenter'srule a rule used by a carpenter
subtype: #foot_rule a ruler one foot long
subtype: #meterstick__metrestick a rule one meter long (usually marked off in centimeters and millimeters)
subtype: #yard_measure__yardstick a ruler or tape that is three feet long
subtype: #size_stick a mechanical measuring stick used by shoe fitters to measure the length and width of your foot
subtype: #meter.measuring_instrument any of various measuring instruments for measuring a quantity
subtype: #ammeter a meter that measures the flow of electrical current in amperes
subtype: #milliammeter a sensitive ammeter graduated in milliamperes
subtype: #electrometer meter to measure electrostatic voltage differences; draws no current from the source
subtype: #fluxmeter meter that measures magnetic flux by the current it generates in a coil
subtype: #galvanometer meter for detecting or comparing or measuring small electric currents
subtype: #astatic_galvanometer__astaticgalvanometer has a moving magnet and astatic coils arranged to cancel the effect of the Earth's magnetic field
subtype: #moving-coil_galvanometer a galvanometer that is operated by the force exerted by an electric current flowing in a movable coil suspended in a magnetic field
subtype: #ballistic_galvanometer__ballisticgalvanometer a moving-coil galvanometer that measures electric charge
subtype: #gas_meter__gasmeter__gasometer a meter for measuring the amount of gas flowing through a particular pipe
subtype: #magnetometer__gaussmeter an meter to compare strengths of magnetic fields
subtype: #odometer__hodometer__mileometer__milometer a meter that shows mileage traversed
subtype: #ohmmeter a meter for measuring electrical resistance in ohms
subtype: #postage_meter__postagemeter meter for bulk mailings that imprints correct prepaid postage on pieces of mail and records the total charge
subtype: #radiometer meter to detect and measure radiant energy (electromagnetic or acoustic)
subtype: #Crookes_radiometer electromagnetic radiometer consisting of a small paddlewheel that rotates when placed in daylight
subtype: #radiomicrometer radiometer that is extremely sensitive
subtype: #Rayleigh_disk an acoustic radiometer consisting of a light disk suspended from a quartz thread; when exposed to a progressive sound wave its torque can measure velocity
subtype: #reflectometer a meter that measures the reflectance of a surface
subtype: #speedometer__speed_indicator__speedindicator a meter fixed to a vehicle that measures and displays its speed
subtype: #machmeter speedometer for measuring the speed of an aircraft relative to the speed of sound
subtype: #taximeter a meter in a taxi that registers the fare (based on the length of the ride)
subtype: #voltmeter meter that measures the potential difference between two points
subtype: #electronic_voltmeter a voltmeter whose sensitivity is increased by amplification
subtype: #digital_voltmeter__digitalvoltmeter an electronic voltmeter that gives readings in digits
subtype: #millivoltmeter sensitive voltmeter that can measure voltage in millivolts
subtype: #water_meter__watermeter meter for measuring the quantity of water passing through a particular outlet
subtype: #nephoscope a grid-like measuring instrument for measuring the altitude, direction, and velocity of movement of clouds
subtype: #octant a measuring instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration
subtype: #oximeter a measuring instrument that measures the oxygen in arterial blood
subtype: #pedometer measuring instrument for recording the number of steps taken in walking
subtype: #pelvimeter measuring instrument for performing pelvimetry
subtype: #photometer measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source
subtype: #spectrophotometer a photometer for comparing two light radiations wavelength by wavelength
subtype: #piezometer a measuring instrument for measuring high pressures
subtype: #pipet__pipette measuring instrument consisting of a graduated glass tube used to measure or transfer precise volumes of a liquid by drawing the liquid up into the tube
subtype: #eye_dropper__eyedropper__dropper pipet consisting of a small tube with a vacuum bulb at one end for drawing liquid in and releasing it a drop at a time
subtype: #Pitot-static_tube__Pitot_tube measuring instrument consisting of a combined Pitot tube and static tube that measures total and static pressure; used in aircraft to measure airspeed
subtype: #Pitot_tube measuring instrument used to measure the velocity of fluid flow
subtype: #plethysmograph a measuring instrument for measuring changes in volume of a part or organ or whole body (usually resulting from fluctuations in the amount of blood it contains)
subtype: #body_plethysmograph plethysmograph consisting of a chamber surrounding the entire body; used in studies of respiration
subtype: #digital_plethysmograph__digitalplethysmograph plethysmograph applied to a digit of the hand or foot to measure skin blood flow
subtype: #potentiometer a measuring instrument for measuring direct current electromotive forces
subtype: #quadrant a measuring instrument for measuring altitude of heavenly bodies
subtype: #microwave_radar__microwaveradar__radar__radio_detection_and_ranging__radiodetectionandranging__radiolocation measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects
subtype: #early_warning_radar__earlywarningradar a radar that is part of an early warning system
subtype: #three-dimensional_radar__threedimensionalradar__3d_radar radar that will report altitude as well as azimuth and distance of a target
subtype: #weather_radar__weatherradar radar that is able to detect clouds and precipitation
subtype: #rangefinder__range_finder__rangefinder a measuring instrument (acoustic or optical or electronic) for finding the distance of an object
subtype: #refractometer measuring instrument for measuring the refractive index of a substance
subtype: #weighing_machine__scale a measuring instrument for weighing; shows amount of mass
subtype: #balance.weighing_machine a scale for weighing; depends on pull of gravity
subtype: #beam_balance a balance consisting of a lever with two equal arms and a pan suspended from each arm
subtype: #analytical_balance__chemical_balance a beam balance of great precision used in quantitative chemical analysis
subtype: #electronic_balance balance that generates a current proportional to displacement of pan
subtype: #microbalance balance for weighing very small objects
subtype: #spring_balance__spring_scale a balance that measure weight by the tension on a helical spring
subtype: #steelyard__lever_scale__leverscale__beam_scale a portable balance consisting of a pivoted bar with arms of unequal length
subtype: #weighbridge platform scale flush with a roadway for weighing vehicles and cattle etc
subtype: #sclerometer a measuring instrument that measures the hardness of materials by penetrating them with a stylus that has a diamond point
subtype: #sector.measuring_instrument measuring instrument consisting of two graduated arms hinged at one end
subtype: #seismograph a measuring instrument for detecting and measuring the intensity and direction and duration of of movements of the ground (as an earthquake)
subtype: #sensitometer a measuring instrument for measuring the light sensitivity of film over a range of exposures
subtype: #sextant a measuring instrument for measuring the angular distance between celestial objects; resembles an octant
subtype: #sonar__echo_sounder__asdic a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return (sonar is SOund NAvigation Ranging; asdic is Anti-Submarine Detection Investigation Committee)
subtype: #spark_chamber__sparkchamber__spark_counter__sparkcounter measuring instrument that detects ionizing radiation from elementary particles
subtype: #spherometer a measuring instrument for measuring the curvature of a surface
subtype: #spirograph a measuring instrument for recording the depth and rapidity of breathing movements
subtype: #spirometer a measuring instrument for measuring the vital capacity of the lungs
subtype: #static_tube a measuring instrument used to measure static pressure in a stream of fluid
subtype: #synchroscope__synchronoscoppe__synchronizer an instrument that indicates whether two periodic motions are synchronous (especially an instrument that enables a pilot to synchronize the propellers of a plane that has two or more engines)
subtype: #tachometer__tach measuring instrument for indicating speed of rotation
subtype: #tachograph a tachometer that produces a graphical record of its readings; used to record the speed and duration of trips in a motor vehicle
subtype: #tape_measure__tape__tapeline measuring instrument consisting of a narrow strip (cloth or metal) marked in inches or centimeters and used for measuring lengths; "the carpenter should have used his tape measure"
subtype: #tensiometer a measuring instrument for measuring the surface tension of a liquid
subtype: #wire_tensiometer__tensiometer a measuring instrument for measuring the tension in a wire or fiber or beam
subtype: #moisture_tensiometer__tensiometer a measuring instrument for measuring the moisture content of soil
subtype: #thermometer measuring instrument for measuring temperature
subtype: #alcohol_thermometer__alcoholthermometer__alcohol-in-glass_thermometer thermometer consisting of a glass capillary tube marked with degrees Celsius or Fahrenheit and containing alcohol which rises or falls as it expands or contracts with changes in temperature
subtype: #candy_thermometer__candythermometer a thermometer used to determine the temperature of candy syrups during cooking
subtype: #Centigrade_thermometer a thermometer calibrated in degrees centigrade
subtype: #cryometer a thermometer designed to measure low temperatures
subtype: #dry-bulb_thermometer an ordinary thermometer with a dry bulb; used to measure the air temperature
subtype: #Fahrenheit_thermometer a thermometer calibrated in degrees Fahrenheit
subtype: #gas_thermometer__air_thermometer__airthermometer thermometer that measures temperature by changes in the pressure of a gas kept at constant volume
subtype: #maximum_and_minimum_thermometer thermometer that records the highest and lowest temperatures reached during a period of time
subtype: #meat_thermometer a thermometer that is inserted into the center of a roast (with the top away from the heat source); used to measure how well done the meat is
subtype: #mercury_thermometer__mercurythermometer__mercury-in-glass_thermometer thermometer consisting of mercury contained in a bulb at the bottom of a graduated sealed glass capillary tube marked in degrees Celsius or Fahrenheit; mercury expands with a rise in temperature causing a thin thread of mercury to rise in the tube
subtype: #Beckman_thermometer a mercury thermometer that measures small differences or changes in temperature
subtype: #mercury-in-glass_clinical_thermometer__clinical_thermometer a mercury thermometer designed to measure the temperature of the human body; graduated to cover a range a few degrees on either side of the normal body temperature
subtype: #oven_thermometer a thermometer that registers the temperature inside an oven
subtype: #pyrometer a thermometer designed to measure high temperatures
subtype: #optical_pyrometer__opticalpyrometer__pyroscope a pyrometer that uses the color of the light emitted by a hot object
subtype: #pyrometric_cone a pyrometer consisting of a series of cones that melt at different temperatures
subtype: #radiation_pyrometer__radiationpyrometer a pyrometer for estimating the temperature of distant sources of heat; radiation is focussed on a thermojunction connected in circuit with a galvanometer
subtype: #resistance_pyrometer pyrometer that measures high temperatures by the resistance in a heated wire
subtype: #Reaumur_thermometer an alcohol thermometer calibrated in degrees Reaumur
subtype: #resistance_thermometer__platinum_thermometer thermometer that measures temperature by changes in the resistance of a spiral of platinum wire
subtype: #reversing_thermometer__reversingthermometer a thermometer that registers the temperature in deep waters
subtype: #self-registering_thermometer a thermometer that records the temperature automatically
subtype: #telethermometer a thermometer that registers the temperature at some distant point
subtype: #thermocouple_junction__thermocouple a kind of thermometer consisting of two wires of different metals that are joined at both ends; one junction is at the temperature to be measured and the other is held at a fixed lower temperature; the current generated in the circuit is proportional to the temperature difference
subtype: #thermoelectric_thermometer__thermel__electricthermometer a thermometer that uses thermoelectric current to measure temperature
subtype: #thermometrograph__thermograph a thermometer that records temperature variations on a graph as a function of time
subtype: #thermopile a kind of thermometer for measuring heat radiation; consists of several thermocouple junctions in series
subtype: #wet-bulb_thermometer a thermometer with a bulb that is covered with moist muslin; used in a psychrometer to measure humidity
subtype: #timepiece__timekeeper a measuring instrument or device for keeping time
subtype: #atomic_clock a timepiece that derives its time scale from the vibration of atoms or molecules
subtype: #ammonia_clock__ammoniaclock an atomic clock based on vibrational frequency of the nitrogen atom in the ammonia molecule
subtype: #caesium_clock__caesiumclock an atomic clock based on the energy difference between two states of the caesium nucleus in a magnetic field
subtype: #clock a timepiece that shows the time of day
subtype: #alarm_clock__alarmclock__alarm a clock that wakes sleeper at preset time
subtype: #Big_Ben clock in the clock tower of the Houses of Parliament, London
subtype: #chronometer an accurate clock (especially used in navigation)
subtype: #cuckoo_clock clock that announces the hours with a sound like the call of the cuckoo
subtype: #electric_clock a clock using a small electric motor
subtype: #pendulum_clock a clock regulated by a pendulum
subtype: #grandfather_clock__grandfatherclock__longcase_clock a pendulum clock enclosed in a tall narrow case
subtype: #system_clock.clock__systemclock a time-of-day clock in a computer system
subtype: #time_clock clock used to record the hours that people work
subtype: #turret_clock a clock with more than one dial to show the time in all directions from a tower
subtype: #wall_clock a clock mounted on a wall
subtype: #water_clock__waterclock__clepsydra__water_glass__waterglas clock that measures time by the escape of water
subtype: #sandglass__sandglas timepiece in which the passage of time is indicated by the flow of sand from one transparent container to another through a narrow passage
subtype: #egg_timer__eggtimer a sandglass that runs for three minutes; used to time the boiling of eggs
subtype: #hourglass__hourglas a sandglass that runs for sixty minutes
subtype: #sundial timepiece that indicates the daylight hours by the shadow that the gnomon casts on a calibrated dial
subtype: #timer a timepiece that measures a time interval and signals its end
subtype: #chronograph an accurate timer for recording time
subtype: #parking_meter__parkingmeter a coin-operated timer located next to a parking space; depositing money into it entitles you to park your car there for a specified length of time
subtype: #stopwatch__stopo_watch__stopowatch a timepiece that can be started or stopped for exact timing (as of a race)
subtype: #ticker__watch a small portable timepiece
subtype: #analog_watch a watch that represents time by the position of hands on a dial
subtype: #digital_watch__digitalwatch a watch with a digital display
subtype: #hunting_watch__huntingwatch__hunter a watch with a hinged metal lid to protect the crystal
subtype: #pendulum_watch (18th century) a watch with a balance wheel having a fake pendulum attached to it
subtype: #pocket_watch a watch that is carried in a small watch pocket
subtype: #stem-winder a watch that is wound by turning a knob at the stem
subtype: #wristwatch__wrist_watch__wristwatch a watch that is worn strapped to the wrist
subtype: #tonometer measuring instrument for measuring tension or pressure (especially for measuring intraocular pressure in testing for glaucoma)
subtype: #torsion_balance__torsionbalance measuring instrument designed to measure small forces by the torsion they exert on a thin wire
subtype: #variometer a measuring instrument for measuring variations in a magnetic field
subtype: #Venturi_tube a measuring instrument used to measure the rate of flow of a liquid
subtype: #viscometer__viscosimeter a measuring instrument for measuring viscosity
subtype: #medical_instrument__medicalinstrument instrument used in the practice of medicine
subtype: #ballistocardiograph__cardiograph a medical instrument that measures the mechanical force of cardiac contractions and the amount of blood passing through the heart during a specified period by measuring the recoil of the body as blood is pumped from the ventricles
subtype: #bronchoscope a slender tubular instrument used to examine the bronchial tubes
subtype: #cardiograph__electrocardiograph medical instrument that records electric currents associated with contractions of the heart
subtype: #dialyzer__dialysis_machine a medical instrument for separating substances in solution by unequal diffusion through semipermeable membranes
subtype: #artificial_kidney__hemodialyzer a machine that uses dialysis to remove impurities and waste products from the bloodstream before returning the blood to the patient's body
subtype: #diathermy_machine__diathermymachine a medical instrument for local heating of bodily tissues for medical purposes
subtype: #microwave_diathermy_machine__microwavediathermymachine diathermy machine that uses microwave radiation as the source of heat
subtype: #shortwave_diathermy_machine__shortwavediathermymachine a diathermy machine that uses short wave radiation as the source of heat
subtype: #electroencephalograph medical instrument that records electric currents generated by the brain
subtype: #electromyograph a medical instrument that records the electrical waves associated with the activity of skeletal muscles
subtype: #endoscope a long slender medical instrument for examining the interior of a bodily organ or performing minor surgery
subtype: #arthroscope a type of endoscope that is inserted into a joint for visual examination
subtype: #colonoscope an elongated fiberoptic endoscope for examining the entire colon from cecum to rectum
subtype: #culdoscope a specialized endoscope for visually examining a woman's pelvic organs
subtype: #gastroscope a type of endoscope for visually examining the stomach
subtype: #laparoscope a slender endoscope inserted through an incision in the abdominal wall in order to examine the abdominal organs or to perform minor surgery
subtype: #proctoscope an endoscope for examining the rectum
subtype: #flexible_sigmoidoscope__sigmoidoscope an endoscope (a flexible fiberoptic probe) for examining the sigmoid colon
subtype: #fiberscope a flexible medical instrument involving fiber optics that is used to examine internal organs
subtype: #keratoscope medical instrument to examine the cornea in order to detect irregularities in its anterior surface
subtype: #laryngoscope a medical instrument for examining the larynx
subtype: #ophthalmoscope medical instrument for examining the retina of the eye
subtype: #orthoscope an ophthalmoscope with a layer of water to neutralize the refraction of the cornea
subtype: #otoscope medical instrument consisting of a magnifying lens and light; used for examining the external ear (the auditory meatus and especially the tympanic membrane)
subtype: #polygraph a medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration)
subtype: #lie_detector__liedetector a polygraph that records bodily changes sometimes associated with lying
subtype: #rhinoscope medical instrument consisting of a mirror mounted at an angle on a rod; used to examine the nasal passages (through the nasopharynx)
subtype: #speculum a medical instrument for dilating a bodily passage or cavity in order to examine the interior
subtype: #stethoscope a medical instrument for listening to the sounds generated inside the body
subtype: #fetoscope__foetoscope a stethoscope placed on the pregnant woman's abdomen to listen for the fetal heartbeat
subtype: #surgical_instrument a medical instrument used in surgery
subtype: #curette__curet a surgical instrument shaped like a scoop to remove tissue from a bodily cavity
subtype: #dermatome a surgical instrument used to cut very thin slices of skin
subtype: #dilater__dilator a surgical instrument that is used to dilate or distend an opening or an organ
subtype: #hemostat__haemostat a surgical instrument that stops bleeding by clamping the blood vessel
subtype: #photocoagulator surgical instrument containing a laser for use in photocoagulation
subtype: #probe.surgical_instrument a flexible slender surgical instrument used to explore wounds or body cavities
subtype: #retractor surgical instrument that holds back the edges of a surgical incision
subtype: #snare.surgical_instrument a surgical instrument consisting of wire hoop that can be drawn tight around the base of polyps or small tumors to sever them; used especially in body cavities
subtype: #surgical_knife a very sharp knife used in surgery
subtype: #catling a long double-edged knife used for amputations
subtype: #lancet__lance a surgical knife with a pointed double-edged blade; used for punctures and small incisions
subtype: #scalpel a thin straight surgical knife used in dissection and surgery
subtype: #trephine__trepan a surgical instrument used to remove sections of bone from the skull
subtype: #syringe a medical instrument used to inject or withdraw fluids
subtype: #douche_bag__douche a small syringe with detachable nozzles; used for vaginal lavage and enemas
subtype: #hypodermic_syringe__hypodermic__hypo a piston syringe that is fitted with a hypodermic needle for giving injections
subtype: #thermograph medical instrument that uses an infrared camera to reveal temperature variations on the surface of the body
subtype: #musical_instrument__musicalinstrument an instrument used to produce music
subtype: #barrel_organ__grind_organ__hand_organ__hurdy_gurdy__street_organ a musical instrument that makes music by rotation of a cylinder studded with pegs
subtype: #bass.musical_instrument__bas the member with the lowest range of a family of musical instruments
subtype: #bass_fiddle__bass_viol__bull_fiddle__double_bass__contrabass__string_bass largest and lowest member of the violin family
subtype: #bass_horn__sousaphone__Sousaphone__tuba the lowest brass wind instrument
subtype: #euphonium a bass horn (brass wind instrument) that is the tenor of the tuba family
subtype: #helicon__bombardon a tuba that coils over the shoulder of the musician
subtype: #bombardon__bombard a large shawm; the bass member of the shawm family
subtype: #calliope__steam_organ__steamorgan a musical instrument consisting of a series of steam whistles played from a keyboard
subtype: #celesta a musical instrument consisting of graduated steel plates that are struck by hammers activated by a keyboard
subtype: #electronic_instrument a musical instrument that generates sounds electronically
subtype: #electric_organ__electronic_organ__Hammond_organ__organ (music) an electronic simulation of a pipe organ
subtype: #synthesizer (music) an electronic instrument (usually played with a keyboard) that generates and modifies sounds electronically and can imitate a variety of other musical instruments
subtype: #Jew's_harp__jew's_harp__jew'sharp__Jews'_harp__jews'_harp__jews'harp__mouth_bow__mouthbow a small lyre-shaped musical instrument that is placed between the teeth and played by twanging a wire tongue while changing the shape of the mouth cavity
subtype: #music_box__musicbox__musical_box__musicalbox produces music by means of pins on a revolving cylinder that strike the tuned teeth of a comb-like metal plate
subtype: #percussion_instrument__percussive_instrument a musical instrument in which the sound is produced by one object striking another
subtype: #bones__bone__castanets__castanet__clappers__finger_cymbals__maraca a percussion instrument consisting of a pair of hollow pieces of wood or bone (usually held between the thumb and fingers) that are made to click together (as by Spanish dancers) in rhythm with the dance
subtype: #chime__bell__gong a percussion instrument consisting of vertical metal tubes of different lengths that are struck with a hammer
subtype: #carillon set of bells hung in a bell tower
subtype: #handbell a bell that is held in the hand
subtype: #cymbal a percussion instrument consisting of a concave brass disk; makes a loud crashing sound when hit with a drumstick or when two are struck together
subtype: #high-hat_cymbal__high_hat cymbals that are operated by a foot pedal
subtype: #zill one of a pair of small metallic cymbals worn on the thumb and middle finger; used in belly dancing in rhythm with the dance
subtype: #membranophone__drum__tympan a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretch across each end
subtype: #bass_drum__gran_casa a large drum with two heads; makes a sound of indefinite but very low pitch
subtype: #bongo_drum__bongodrum__bongo a small drum; played with the hands
subtype: #snare_drum__snaredrum__snare__side_drum a small drum with two heads and a snare stretched across the lower head
subtype: #tabor__tabour a small drum with one head of soft calfskin
subtype: #tambour a drum
subtype: #tambourine a shallow drum with a single drumhead and with metallic disks in the sides
subtype: #tenor_drum__tenordrum any of various drums with small heads
subtype: #timbrel small hand drum similar to a tambourine; formerly carried by itinerant jugglers
subtype: #glockenspiel__orchestral_bells a percussion instrument consisting of a set of graduated metal bars mounted on a frame and played with small hammers
subtype: #gong__tam-tam__tamtam a percussion instrument consisting of a metal plate that is struck with a soft-headed drumstick
subtype: #kettledrum__kettle__tympanum__tympani__timpani a large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on it
subtype: #marimba__xylophone a percussion instrument with wooden bars tuned to produce a chromatic scale and with resonators; played with small mallets
subtype: #forte-piano__fortepiano__piano__pianoforte a stringed instrument that is played by depressing keys that cause hammers to strike tuned strings and produce sounds
subtype: #grand_piano__grandpiano__grand a piano with the strings on a harp-shaped frame; usually supported by 3 legs
subtype: #baby_grand_piano__baby_grand__parlor_grand__parlor_grand_piano__parlour_grand__parlourgrand__parlour_grand_piano__parlourgrandpiano a small grand piano
subtype: #concert_grand__concertgrand__concert_piano__concertpiano a grand piano suitable for concert performances
subtype: #mechanical_piano__Pianola__player_piano a mechanically operated piano that uses a roll of perforated paper to activate the keys
subtype: #upright_piano__uprightpiano__upright a piano with a vertical sounding board
subtype: #spinet.upright_piano small and compactly built upright piano
subtype: #steel_drum__steeldrum a concave percussion instrument made from the metal top of an oil drum; has an array of flattened areas that produce different tones when struck (of Caribbean origin)
subtype: #triangle a percussion instrument consisting of a metal bar bent in the shape of an open triangle
subtype: #vibraphone__vibraharp__vibes__vibe an percussion instrument similar to a xylophone but having metal bars and rotating disks in the resonators that produce a vibrato sound
subtype: #stringed_instrument a musical instrument in which taut strings provide the source of sound
subtype: #banjo a stringed instrument of the guitar family that has long neck and circular body
subtype: #bowed_stringed_instrument__string stringed instruments that are played with a bow; "the strings played superlatively well"
subtype: #bass_fiddle__bass_viol__bull_fiddle__double_bass__contrabass__string_bass largest and lowest member of the violin family
subtype: #cello a large stringed instrument; seated player holds it upright while playing
subtype: #viol any of a family of bowed stringed instruments that preceded the violin family
subtype: #viola_da_braccio a member of the viol family with approximately the range of a viola
subtype: #viola_da_gamba__bass_viol viol that is the bass member of the viol family with approximately the range of the cello
subtype: #viola_d'amore__violad'amore viol that is the tenor of the viol family
subtype: #viola.bowed_stringed_instrument a bowed stringed instrument slightly larger than a violin, tuned a fifth lower
subtype: #violin__fiddle bowed stringed instrument that is the highest member of the violin family; this instrument has four strings and a hollow body and an unfretted fingerboard and is played with a bow
subtype: #Amati a violin made by a member of the Amati family
subtype: #Guarnerius a violin made by a member of the guarneri family
subtype: #Stradavarius__Strad a violin made by Antonio Stradivari or a member of his family
subtype: #chordophone a stringed instrument of the group including harps, lutes, lyres, and zithers
subtype: #balalaika a stringed instrument that has triangular body and three strings
subtype: #harp a chordophone that has a triangular frame consisting of a sounding board and a pillar and a curved neck; the strings stretched between the neck and the soundbox are plucked with the fingers
subtype: #aeolian_harp__aeolianharp__aeolian_lyre__aeolianlyre__wind_harp a harp having strings tuned in unison; they sound when wind passes over them
subtype: #lyre a harp used by ancient Greeks for accompaniment
subtype: #lute chordophone consisting of a plucked instrument having a pear-shaped body, a usually bent neck, and a fretted fingerboard
subtype: #mandolin a stringed instrument related to the lute, usually played with a plectrum
subtype: #mandola an early type of mandolin
subtype: #clavichord an early stringed instrument like a piano but with more delicate sound
subtype: #clavier__Klavier a stringed instrument that has a keyboard
subtype: #harpsichord a clavier with strings that are plucked by plectra mounted on pivots
subtype: #spinet early model harpsichord with only one string per note
subtype: #pair_of_virginals__virginal a legless rectangular harpsichord; played (usually by women) in the 16th and 17th centuries
subtype: #dulcimer.stringed_instrument a stringed instrument used in American folk music; an elliptical body and a fretted fingerboard and three strings
subtype: #guitar a stringed instrument usually having six strings; played by strumming or plucking
subtype: #acoustic_guitar sound is not amplified by electrical means
subtype: #electric_guitar a guitar whose sound is amplified by electrical means
subtype: #gittern medieval musical instrument resembling a guitar
subtype: #Hawaiian_guitar__steel_guitar__steelguitar guitar whose steel strings are twanged while being pressed with a movable steel bar for a glissando effect
subtype: #uke__ukulele (Hawaiian) a small guitar having four strings
subtype: #koto Japanese stringed instrument that resembles a zither; has a rectangular wooden sounding box and silk strings that are plucked with the fingers
subtype: #forte-piano__fortepiano__piano__pianoforte a stringed instrument that is played by depressing keys that cause hammers to strike tuned strings and produce sounds
subtype: #psaltery an ancient stringed instrument similar to the lyre or zither but having a trapezoidal sounding board under the strings
subtype: #samisen Japanese stringed instrument resembling a banjo with a long neck and a fretted fingerboard and a rectangular soundbox
subtype: #sitar a stringed instrument of India; has a long neck and movable frets
subtype: #zither__cither__zithern a musical stringed instrument with strings stretch over a flat sounding box; played with a plectrum and with fingers
subtype: #dulcimer a trapezoidal zither whose metal strings are struck with light hammers
subtype: #wind_instrument__wind a musical instrument in which the sound is produced by an enclosed column of air that is moved by the breath
subtype: #bagpipe__pipes__pipe a wind instrument; the player blows air into a bag and squeezes it out through pipes
subtype: #musette__shepherd's_pipe a small bagpipe formerly popular in France
subtype: #brass.wind_instrument__bras a wind instrument that consists of a brass tube (usually of variable length) blown by means of a cup-shaped or funnel-shaped mouthpiece
subtype: #baritone_horn__baritone the second lowest brass wind instrument
subtype: #bass_horn__sousaphone__Sousaphone__tuba the lowest brass wind instrument
subtype: #bugle a brass instrument without valves; used for military calls and fanfares
subtype: #clarion a medieval brass instrument with a clear shrill tone
subtype: #cornet__horn__trumpet a brass musical instrument with a brilliant tone; has a narrow tube and a flared bell and is played by means of valves
subtype: #serpent an obsolete bass cornet; resembles a snake
subtype: #flugelhorn__fluegelhorn a brass instrument resembling a cornet but with a wider bore
subtype: #French_horn__horn a brass musical instrument consisting of a conical tube that is coiled into a spiral and played by means of valves
subtype: #saxhorn any of a family of brass wind instruments that resemble a bugle with valves
subtype: #trombone a brass instrument consisting of a long tube whose length can be varied by a U-shaped slide
subtype: #sackbut a medieval musical instrument resembling a trombone
subtype: #free-reed_instrument a wind instrument with a free reed
subtype: #piano_accordion__pianoaccordion__accordion__squeeze_box__squeezebox a portable box-shaped free-reed instrument; the reeds are made to vibrate by air from the bellows controlled by the player
subtype: #American_organ a free-reed instrument in which air is drawn in through reeds by suction bellows
subtype: #concertina.free-reed_instrument free-reed instrument played like an accordion by pushing its ends together to force air through the reeds
subtype: #harmonica__mouth_organ__mouthorgan__harp__mouth_harp__mouthharp a small rectangular free-reed instrument having a row of free reeds set back in air holes and played by blowing into the desired hole
subtype: #harmonium__organ__reed_organ a free-reed instrument in which air is forced through the reeds by bellows
subtype: #kazoo a toy wind instrument that has a membrane that makes a sound when you hum into the mouthpiece
subtype: #ocarina__sweet_potato__sweetpotato egg-shaped terra-cotta wind instrument with a mouthpiece and finger holes
subtype: #pipe_organ__organ wind instrument whose sound is produced by means of pipes arranged in sets supplied with air from a bellows and controlled from a large complex musical keyboard
subtype: #organ_pipe__organpipe__pipe__pipework the flues and stops on a pipe organ
subtype: #flue_pipe__flue__labial_pipe organ pipe whose tone is produced by air passing across the sharp edge of a fissure or lip
subtype: #organ_stop__organstop a graduated set of organ pipes of like tone quality
subtype: #diapason_stop__diapason either of the two main stops on a pipe organ
subtype: #dulciana the organ stop having a tone of soft sweet string quality
subtype: #flue_stop an organ stop with the tone of a flue pipe
subtype: #reed_stop an organ stop with the tone of a reed instrument
subtype: #vox_humana__voxhumana an organ reed stop producing tones imitative of the human voice
subtype: #sourdine an organ stop resulting in a soft muted sound
subtype: #vox_angelica__voxangelica__voix_celeste an organ stop producing a gentle tremolo effect
subtype: #reed_pipe organ pipe with a vibrating reed
subtype: #panpipe__pandean_pipe__pandeanpipe__syrinx a primitive wind instrument consisting of several parallel pipes bound together
subtype: #tabor_pipe__taborpipe__pipe a tubular wind instrument
subtype: #chanter__melody_pipe reed pipe with finger holes on which the melody is played
subtype: #drone_pipe__dronepipe__drone__bourdon a pipe of the bagpipe that is tuned to produce a single continuous tone
subtype: #pitch_pipe__pitchpipe a small pipe sounding a tone of standard frequency; used to establish the starting pitch for unaccompanied singing
subtype: #post_horn wind instrument used by postilions of the 18th and 19th centuries
subtype: #woodwind_instrument__woodwind__wood any wind instrument other than the brass instruments
subtype: #beating-reed_instrument__reed a musical instrument that sounds by means of a reed
subtype: #double-reed_instrument a woodwind that has a double reed
subtype: #bassoon a double-reed instrument; the tenor of the oboe family
subtype: #contrabassoon__contrafagotto__double_bassoon the bassoon that is the largest instrument in the oboe family
subtype: #tenoroon a tenor bassoon; pitched a fifth higher than the ordinary bassoon
subtype: #English_horn__cor_anglais__coranglai a double-reed woodwind instrument similar to an oboe but lower in pitch
subtype: #krummhorn__crumhorn__cromorne a Renaissance woodwind with a double reed and a curving tube (crooked horn)
subtype: #oboe__hautboy__hautbois a slender double-reed instrument; a woodwind with a conical bore and a double-reed mouthpiece
subtype: #heckelphone__basset_oboe a oboe pitched an octave below the ordinary oboe
subtype: #musette_pipe__musettepipe a small simple oboe
subtype: #oboe_da_caccia an alto oboe; precursor of the English horn
subtype: #oboe_d'amore a oboe pitched a minor third lower than the ordinary oboe; used to perform baroque music
subtype: #shawm a medieval oboe
subtype: #bombardon__bombard a large shawm; the bass member of the shawm family
subtype: #free-reed a reed that does not fit closely over the aperture
subtype: #single-reed_instrument__single-reed_woodwind a beating-reed instrument with a single reed (as a clarinet or saxophone)
subtype: #clarinet a single-reed instrument with a straight tube
subtype: #bass_clarinet a large clarinet whose range is an octave below the B-flat clarinet
subtype: #basset_horn a tenor clarinet; pitched in the key of F below the B-flat clarinet
subtype: #B-flat_clarinet__licorice_stick the ordinary clarinet with a middle range
subtype: #pibgorn__hornpipe__stockhorn an ancient (now obsolete) single-reed woodwind; usually made of bone
subtype: #sax__saxophone a single-reed woodwind with a conical bore
subtype: #fipple_flute__fipple_pipe__recorder__vertical_flute a woodwind with a vertical pipe and 8 finger holes and a whistle mouthpiece
subtype: #treble_recorder__flageolet__shepherd'spipe a small fipple flute with with four finger holes and two thumb holes
subtype: #pennywhistle__tin_whistle__tinwhistle__whistle an inexpensive fipple flute
subtype: #transverse_flute__flute a high-pitched woodwind instrument; a slender tube closed at one end with finger holes on one end and an opening near the closed end across which the breath is blown
subtype: #fife a small high-pitched flute similar to a piccolo; has a shrill tone and is used chiefly to accompany drums in a marching band
subtype: #nose_flute a flute that is played by blowing through the nostrils (used in some Asian countries)
subtype: #piccolo a small flute; pitched an octave above the standard flute
subtype: #navigational_instrument an instrument used for navigating
subtype: #artificial_horizon__gyro_horizon__flight_indicator a navigational instrument based on a gyroscope; provides an artificial horizon for the pilot
subtype: #compass__compas navigational instrument for finding directions
subtype: #gyrocompass__gyrocompas a compass that does not depend on magnetism but uses a gyroscope instead
subtype: #magnetic_compass compass based on an indicator (as a magnetic needle) that points to the magnetic north
subtype: #compass_card__compasscard__mariner'scompas compass in the form of a card that rotates so that 0 degrees or North points to magnetic north
subtype: #depth_finder__depthfinder navigational instrument used to measure the depth of a body of water (as by ultrasound or radar)
subtype: #sonic_depth_finder__sonicdepthfinder__fathometer depth finder for determining depth of water or a submerged object by means of ultrasound waves
subtype: #inclinometer an instrument showing the angle that an aircraft makes with the horizon
subtype: #sonar__echo_sounder__asdic a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return (sonar is SOund NAvigation Ranging; asdic is Anti-Submarine Detection Investigation Committee)
subtype: #optical_instrument__opticalinstrument an instrument designed to aid vision
subtype: #binocular__fieldglasse__operaglasse an optical instrument designed for simultaneous use by both eyes
subtype: #esophagoscope__oesophagoscope an optical instrument for examining the inside of the esophagus
subtype: #jeweler's_glass an optical instrument used by jewelers; has one or more lenses and is used to view features not readily seen
subtype: #periscope an optical instrument that provides a view of an otherwise obstructed field
subtype: #projector an optical instrument that projects an enlarged image onto a screen
subtype: #epidiascope a projector for images for both transparent and opaque objects
subtype: #movie_projector__cine_projector__film_projector projects successive frames from a reel of film to create moving pictures
subtype: #bioscope a kind of early movie projector
subtype: #overhead_projector a projector operated by a speaker; projects the image over the speaker's head
subtype: #slide_projector__slideprojector projector that projects an enlarged image of a slide onto a screen
subtype: #magic_lantern__magiclantern an early form of slide projector
subtype: #sight.optical_instrument a optical instrument for aiding the eye in aiming, as on a firearm or surveying instrument
subtype: #bombsight a sighting device in an aircraft for aiming bombs
subtype: #gunsight a sight used for aiming a gun
subtype: #battlesight an arrangement of sights that makes possible the rapid aiming of a firearm at short ranges
subtype: #open_sight rear gunsight having an open notch instead of a peephole or telescope
subtype: #panoramic_sight__panoramicsight gunsight (a telescopic device for an artillery piece) that can be rotated horizontally in a full circle
subtype: #peep_sight rear gunsight having an adjustable eyepiece with a small aperture through which the front sight and the target are aligned
subtype: #telescopic_sight__telescope_sight gunsight consisting of a telescope on a firearm for use as a sight
subtype: #spectacles__specs__spec__eyeglasses__glasses optical instrument consisting of a pair of lenses for correcting defective vision
subtype: #goggles spectacles worn to protect the eyes
subtype: #lorgnette eyeglasses that are held to the eyes with a long handle
subtype: #pince-nez__pincenez spectacles clipped to the nose by a spring
subtype: #sunglasses__dark_glasses__shades spectacles that are darkened or polarized to protect the eyes from the glare of the sun; "he was wearing a pair of mirrored shades"
subtype: #prism_spectroscope__prismspectroscope__spectroscope an optical instrument for spectrographic analysis
subtype: #mass_spectrometer__spectrometer spectroscope for obtaining a mass spectrum by deflecting ions into a thin slit and measuring the ion current with an electrometer
subtype: #mass_spectrograph a mass spectrometer that produces a graphical representation of the mass spectrum
subtype: #spectrograph a spectroscope by which spectra can be photographed
subtype: #sound_spectrograph__soundspectrograph a spectrograph for acoustic spectra
subtype: #plotter an instrument (usually driven by a computer) for drawing graphs or pictures
subtype: #scientific_instrument an instrument used by scientists
subtype: #particle_accelerator__accelerator__atom_smasher a scientific instrument that increases the kinetic energy of charged particles
subtype: #betatron__induction_accelerator__inductionaccelerator accelerates a continuous beam of electrons to high speeds by means of the electric field produced by changing magnetic flux
subtype: #charge-exchange_accelerator an accelerator in which high-energy ions escape from plasma following charge exchange
subtype: #Cockcroft_and_Walton_accelerator__Cockcroft-Walton_accelerator__Cockcroft_and_Walton_voltage_multiplier__Cockcroft-Walton_voltage_multiplier a high-voltage machine in which rectifiers charge capacitors that discharge and drive charged particles through an accelerating tube
subtype: #collider an accelerator in which two beams of particles are forced to collide head on
subtype: #electron_accelerator collider that consists of an accelerator that collides electrons and positrons
subtype: #proton_accelerator a collider that collides beams of protons and antiprotons
subtype: #superconducting_supercollider__superconductingsupercollider a collider that operates at very low temperatures
subtype: #cyclotron an accelerator that imparts energies of several million electron-volts to rapidly moving particles
subtype: #bevatron a cyclotron that accelerates protons up to several billion electron volts
subtype: #synchrocyclotron cyclotron that achieves relativistic velocities by modulating the frequency of the accelerating electric field
subtype: #synchrotron cyclotron in which the electric field is maintained at a constant frequency
subtype: #cosmotron a large proton synchrotron; uses frequency modulation of an electric field to accelerate protons
subtype: #linear_accelerator__linac ions are accelerated along a linear path by voltage differences on electrodes along the path
subtype: #microwave_linear_accelerator linear accelerator that uses microwaves
subtype: #armillary_sphere__armillarysphere model of the celestial sphere; used by early astronomers to determine the positions of stars
subtype: #console.scientific_instrument a scientific instrument consisting of displays and an input device that an operator can use to monitor and control a system (especially a computer system)
subtype: #hodoscope (physics) scientific instrument that traces the path of a charged particle
subtype: #kicksorter__pulse_height_analyzer scientific instrument consisting of an electronic circuit that permits only voltage pulses of predetermined height to pass
subtype: #kymograph__cymograph scientific instrument consisting of a rotating drum holding paper on which a stylus traces a continuous record (as of breathing or blood pressure)
subtype: #magnifier a scientific instrument that magnifies an image
subtype: #microscope magnifier of the image of small objects; "the invention of the microscope led to the discovery of the cell"
subtype: #electron_microscope a microscope that is similar in purpose to a light microscope but achieves much greater resolving power by using a parallel beam of electrons to illuminate the object instead of a beam of light
subtype: #field-emission_microscope electron microscope used to observe the surface structure of a solid
subtype: #light_microscope__lightmicroscope microscope consisting of an optical instrument that magnifies the image of an object
subtype: #binocular_microscope__binocularmicroscope a light microscope adapted to the use of both eyes
subtype: #operating_microscope__operatingmicroscope binocular microscope used in surgery to provide a clear view of small and inaccessible parts of the body (as in microsurgery)
subtype: #compound_microscope light microscope that has two converging lens systems: the objective and the eyepiece
subtype: #simple_microscope__hand_glass__magnifying_glass light microscope consisting of a single convex lens that is used to produce an enlarged image
subtype: #jeweler's_loupe__jeweler'sloupe__loupe small magnifying glass (usually set in an eyepiece) used by jewelers and horologists
subtype: #ultramicroscope__dark-field_microscope light microscope that uses scattered light to show particles too small to see with ordinary microscopes
subtype: #telescope__scope a magnifier of images of distant objects
subtype: #astronomical_telescope any telescope designed to collect and record electromagnetic radiation from cosmic sources
subtype: #optical_telescope__opticaltelescope an astronomical telescope designed to collect and record light from cosmic sources
subtype: #reflecting_telescope__reflector optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece
subtype: #Cassegrainian_telescope__Gregorian_telescope a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror
subtype: #coude_telescope__coudetelescope__coude_system__coudesystem a reflecting telescope so constructed that the light is led to a plate holder or spectrograph
subtype: #Herschelian_telescope__off-axis_reflector a reflecting telescope with the mirror slightly tilted to throw the image to the side where it can be viewed
subtype: #Maksutov_telescope reflecting telescope in which the aberration of the concave mirror is reduced by a meniscus lens
subtype: #Newtonian_telescope__Newtonian_reflector reflecting telescope in which the image is viewed through an eyepiece perpendicular to main axis
subtype: #Schmidt_telescope__Schmidt_camera reflecting telescope that has plate that corrects for aberration so a wide area of sky can be photographed
subtype: #refracting_telescope optical telescope that has a large convex lens that produces an image that is viewed through the eyepiece
subtype: #field_glass__fieldglas__glass__glas__spyglas a small refracting telescope
subtype: #Galilean_telescope a type of refracting telescope that is no longer used in astronomy
subtype: #radio_telescope__radiotelescope__radio_reflector__radioreflector astronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extra-terrestrial sources
subtype: #radio_interferometer__radiointerferometer radio telescope that uses interference patterns from two antennas instead of a parabolic antenna
subtype: #collimator.telescope a small telescope attached to a large telescope to use in setting the line of the larger one
subtype: #solar_telescope__solartelescope a telescope designed to make observations of the sun
subtype: #transit_instrument__transitinstrument a telescope mounted on an axis running east and west and used to time the transit of a celestial body across the meridian
subtype: #microtome scientific instrument that cuts thin slices of something for microscopic examination
subtype: #stroboscope__strobe__strobe_light scientific instrument that provides a flashing light synchronized with the periodic movement of an object; can make moving object appear stationary
subtype: #tachistoscope__t-scope__tscope scientific instrument used by psychologists; presents visual stimuli for brief exposures
subtype: #telemeter any scientific instrument for observing events at a distance and transmitting the information back to the observer
subtype: #surveying_instrument__surveyinginstrument__surveyor's_instrument an instrument used by surveyors
subtype: #alidade__alidad surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles
subtype: #alidad__alidade surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments
subtype: #clinometer__inclinometer an instrument used by surveyors in order to measure an angle of inclination or elevation
subtype: #plane_table__planetable surveying instrument consisting of a drawing board and a ruler that are mounted on a tripod; used to sight and map topographical details
subtype: #range_pole__rangepole__ranging_pole__rangingpole__flagpole surveying instrument consisting of a straight rod painted in bands of alternate red and white each one foot wide; used for sightings by surveyors
subtype: #surveyor's_level surveying instrument consisting basically of a small telescope with an attached spirit level rotating around a vertical axis; for measuring relative heights of land
subtype: #Abney_level a surveying instrument consisting of a spirit level and a sighting tube; used to measure the angle of inclination of a line from the observer to the target
subtype: #Dumpy_level a surveyor's level having a short telescope fixed to a horizontally rotating table and a spirit level
subtype: #theodolite__transit a surveying instrument for measuring horizontal and vertical angles, consisting of a small telescope mounted on a tripod
subtype: #tachymeter__tacheometer a theodolite designed for rapid measurements
subtype: #tracer.instrument an instrument used to make tracings
subtype: #weapon__weapon_system__arm instrument used in fighting or hunting; "he was licensed to carry a weapon"
subtype: #bow.weapon_system curved piece of resilient wood with taut cord to propel arrows
subtype: #crossbow a bow fixed transversely on a wooden stock grooved to direct the arrow (quarrel)
subtype: #Cupid's_bow a curved bow with reversed curve ends
subtype: #handbow a bow drawn by hand as distinguished from a crossbow
subtype: #longbow a powerful wooden bow drawn by hand; usually 5-6 feet long; used in medieval England
subtype: #bow_and_arrow__bowandarrow a weapon consisting of arrows and the bow to shoot them
subtype: #brass_knucks__knucks__brass_knuckles__knuckles__knuckle_duster__knuckleduster a small metal weapon; worn over the knuckles on the back of the hand
subtype: #fire_ship a weapon consisting of a ship carrying explosives that is set adrift to destroy enemy ships
subtype: #flamethrower a weapon that squirts ignited fuel for several yards
subtype: #gun a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)
subtype: #air_gun__airgun__airgun a gun that propels a projectile by compressed air
subtype: #BB_gun an air gun in which pellets are propelled by air pressure
subtype: #antiaircraft_gun__antiaircraft__flak__flack__pom-pom__pompom__ack-ack__ackack__ack-ack_gun__ackackgun artillery designed to shoot upward at airplanes
subtype: #Bofors_gun an automatic double-barreled antiaircraft gun
subtype: #breechloader a gun that is loaded at the breech
subtype: #cannon.gun heavy automatic gun fired from an airplane
subtype: #firearm__piece__small-arm__smallarm a portable gun; "he wore his firearm in a shoulder holster"
subtype: #autoloader a firearm that reloads itself
subtype: #automatic_firearm__automaticfirearm a firearm that reloads itself and keeps firing until the trigger is released
subtype: #automatic_pistol__automaticpistol__automatic a pistol that will keep firing until the ammunition is gone or the trigger is released
subtype: #automatic_rifle__automaticrifle__automatic__machine_rifle__machinerifle light machine gun
subtype: #assault_rifle any of the automatic rifles with large magazines designed for military use
subtype: #Browning_automatic_rifle__BAR a portable .30 caliber magazine-fed automatic rifle operated by gas pressure; used by United States troops in World Wars I and II and in the Korean War
subtype: #semiautomatic_firearm__semiautomaticfirearm an autoloader that fires only one shot at each pull of the trigger
subtype: #Garand_rifle__Garand__M-1__M-1_rifle a semiautomatic rifle
subtype: #semiautomatic_pistol__semiautomaticpistol__semiautomatic a pistol that is a semiautomatic firearm
subtype: #Luger (trademark) a German semiautomatic pistol
subtype: #machine_gun__machinegun a rapidly firing automatic gun (often mounted)
subtype: #automatic_rifle__automaticrifle__automatic__machine_rifle__machinerifle light machine gun
subtype: #Browning_machine_gun a belt-fed machine gun capable of firing more than 500 rounds per minute; used by United States troops in World War II and the Korean War
subtype: #Gatling_gun an early form of machine gun having several barrels that fire in sequence as they are rotated
subtype: #Maxim_gun an obsolete water-cooled machine gun having a single barrel
subtype: #Spandau a German machine gun
subtype: #submachine_gun machine gun that is a portable automatic firearm
subtype: #Bren_gun__Bren a submachine gun operated by gas pressure; used by the British in World War II
subtype: #burp_gun__machine_pistol__machinepistol a fully automatic pistol; a small submachine gun
subtype: #Kalashnikov a type of submachine gun made in Russia
subtype: #light_machine_gun__lightmachinegun a submachine gun not greater than .30 millimeter
subtype: #Tommy_gun__Thompson_submachine_gun a .45-caliber submachine gun
subtype: #Uzi a type of submachine gun that is designed and manufactured in Israel; "the Uzi is the weapon of choice for America's crack pedlars"
subtype: #muzzle_loader a firearm that is load through the muzzle
subtype: #arquebus__harquebus__harquebu__hackbut__hagbut an obsolete firearm with a long barrel
subtype: #firelock__flintlock a muzzle loader having a flintlock type of gunlock
subtype: #musket a muzzle-loading shoulder gun with a long barrel; formerly used by infantrymen
subtype: #blunderbuss a short musket of wide bore with a flared muzzle
subtype: #fusil a light flintlock musket
subtype: #matchlock an early style of musket; had a slow burning wick that could be lowered into a hole in the breech to ignite the charge
subtype: #pistol__handgun__side_arm__shooting_iron a firearm that is held and fired with one hand
subtype: #automatic_pistol__automaticpistol__automatic a pistol that will keep firing until the ammunition is gone or the trigger is released
subtype: #derringer a pocket pistol of large caliber with a short barrel
subtype: #forty-five__fortyfive a .45-caliber pistol
subtype: #gat (slang) a gangster's pistol
subtype: #horse_pistol__horsepistol__horsepistol a large pistol (usually in a holster) formerly carried by horsemen
subtype: #peacekeeper the pistol of a law officer in the old West
subtype: #revolver__six-gun__sixgun__six-shooter__sixshooter a pistol with a revolving cylinder (usually having six chambers for bullets)
subtype: #Colt (trademark) a kind of revolver
subtype: #Saturday_night_special a cheap handgun that is easily obtained
subtype: #semiautomatic_pistol__semiautomaticpistol__semiautomatic a pistol that is a semiautomatic firearm
subtype: #Very_pistol__Verey_pistol a pistol for firing Very-light flares
subtype: #zip_gun__zipgun a crude homemade pistol
subtype: #repeating_firearm__repeatingfirearm__repeater a firearm that can fire several rounds without reloading
subtype: #Mauser trademark for a repeating rifle or pistol
subtype: #rifle a shoulder firearm with a long barrel and a rifled bore; "he lifted the rifle to his shoulder and fired"
subtype: #carbine light automatic rifle
subtype: #Garand_rifle__Garand__M-1__M-1_rifle a semiautomatic rifle
subtype: #Winchester (trade mark) a shoulder rifle
subtype: #shotgun__scattergun firearm that is a double-barreled smoothbore shoulder weapon for firing shot at short ranges
subtype: #fowling_piece__fowlingpiece a light shotgun used for fowling
subtype: #sawed-off_shotgun__sawedoffshotgun a shotgun with short barrels
subtype: #.22__twenty-two a .22 caliber firearm (pistol or rifle)
subtype: #twenty-two_pistol a .22-caliber pistol
subtype: #twenty-two_rifle a .22-caliber rifle
subtype: #gas_gun__gasgun a gun that fires gas shells
subtype: #minute_gun gun that is discharged once every minute (usually as part of a military funeral)
subtype: #Quaker_gun a dummy gun or piece of artillery made usually of wood
subtype: #set_gun__setgun__spring_gun a gun that is set to fire on any intruder that comes in contact with the wire that sets it off
subtype: #whaling_gun__whalinggun a gun (or device resembling a gun) for discharging a projectile (especially a harpoon) at a whale
subtype: #knife.weapon_system a weapon with a handle and blade with a sharp point
subtype: #bayonet a knife that can be fixed to the end of a rifle and used as a weapon
subtype: #sticker a short knife with a pointed blade used for piercing or stabbing
subtype: #dirk (Scottish) a long dagger with a straight blade
subtype: #poniard__bodkin a dagger with a slender blade
subtype: #stiletto a small dagger with a tapered blade
subtype: #flick-knife__flickknife a knife with the blade hidden in the handle; the blade springs out when a button is pressed
subtype: #machete__panga a large heavy knife used in Central and South America as a weapon or for cutting vegetation
subtype: #shiv a knife used as a weapon
subtype: #trench_knife a knife with a double-edged blade for hand-to-hand fighting
subtype: #yataghan a long Turkish knife with a curved blade having a single edge
subtype: #nuclear_weapon__nuclearweapon a weapon of mass destruction whose explosive power derives from a nuclear reaction
subtype: #atom_bomb__atomic_bomb__A-bomb__fission_bomb__fissionbomb__plutonium_bomb__plutoniumbomb a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element (uranium 235 or plutonium 239))
subtype: #neutron_bomb__neutronbomb atom bomb that produces lethal neutrons with less blast
subtype: #hydrogen_bomb__H-bomb__fusion_bomb__thermonuclear_bomb__thermonuclearbomb a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium
subtype: #megaton_bomb__megatonbomb a nuclear weapon with an explosive power equivalent to one million tons of TNT
subtype: #pike.weapon_system medieval weapon consisting of a spearhead attached to a long pole or pikestaff; superseded by the bayonet
subtype: #halberd a pike fitted with an ax head
subtype: #partizan__partisan a pike with a long tapering double-edged blade with lateral projections; 16th and 17th centuries
subtype: #vouge a kind of pike used by foot soldiers in the 14th century
subtype: #projectile__missile a weapon that is thrown or projected
subtype: #arrow a projectile with a straight thin shaft and an arrowhead on one end and stabilizing vanes on the other; intended to be shot from a bow
subtype: #broad_arrow an arrow with a wide barbed head
subtype: #butt_shaft an arrow without a barb; a target arrow
subtype: #quarrel an arrow that is shot from a crossbow; has a head with four edges
subtype: #throwing_stick__boomerang__throw_stick (Australian) a curved piece of wood; when properly thrown will return to thrower
subtype: #kylie__kiley an Australian boomerang; one side flat and the other convex
subtype: #bullet__slug a projectile that is fired from a gun
subtype: #dumdum_bullet__dumdum a soft-nosed small-arms bullet that expands when it hits a target and causes a gaping wound
subtype: #rifle_ball__rifleball a bullet designed to be fired from a rifle; no longer made spherical in shape
subtype: #cannonball__cannon_ball__round_shot__roundshot a solid projectile that in former times was fired from a cannon
subtype: #dart.projectile a small narrow pointed missile that is thrown or shot
subtype: #banderilla a decorated dart that is implanted in the neck or shoulders of the bull during a bull fight
subtype: #seeker a missile equipped with a device that is attracted toward some kind of emission (heat or light or sound or radio waves)
subtype: #shot.projectile__pellet a solid missile discharged from a firearm; "the shot buzzed past his ear"
subtype: #BB_shot__BB a small pellet fired from an air rifle or BB gun
subtype: #bird_shot__buckshot__duck_shot small lead shot for shotgun shells
subtype: #grapeshot a cluster of small projectiles fired together from a cannon to produce a hail of shot
subtype: #musket_ball__ball a solid ball shot by a musket; "they had to carry a ramrod as well as powder and ball"
subtype: #spitball a projectile made by chewing a piece of paper and shaping it into a sphere
subtype: #spear__lance__shaft a long pointed rod used as a weapon
subtype: #assegai__assagai the slender spear of the Bantu-speaking people of Africa
subtype: #javelin a spear thrown as a weapon or in competitive field events
subtype: #trident a spear with three prongs
subtype: #sword__blade__brand__steel a cutting or thrusting weapon with a long blade
subtype: #backsword a sword with only one cutting edge
subtype: #broadsword a sword with a broad blade and (usually) two cutting edges; used to cut rather than stab
subtype: #claymore a large double-edged broadsword; formerly used by Scottish Highlanders
subtype: #cavalry_sword__cavalrysword__saber__sabre a stout sword with a curved blade and thick back
subtype: #scimitar a curved oriental saber; the edge is on the convex side of the blade
subtype: #cutlas__cutlass__cutlas a short heavy curved sword with one edge; formerly used by sailors
subtype: #Excalibur the legendary sword of King Arthur
subtype: #falchion a short broad slightly convex medieval sword with a sharp point
subtype: #fencing_sword__fencingsword a sword used in the sport of fencing
subtype: #epee a fencing sword similar to a foil but with a heavier blade
subtype: #foil.fencing_sword a light slender flexible sword tipped by a button
subtype: #saber__sabre a fencing sword with a v-shaped blade and a slightly curved handle
subtype: #rapier a straight sword with a narrow blade and two edges
subtype: #tomahawk__hatchet weapon consisting of a fighting ax; used by North American indians
subtype: #Greek_fire a mixture used by Byzantine Greeks that was often shot at adversaries; catches fire when wetted
subtype: #whip an instrument with a handle and a flexible lash that is used for whipping
subtype: #cat-o'-nine-tails__cat a whip with nine knotted cords; "British sailors feared the cat"
subtype: #cowhide a heavy flexible whip made of braided cowhide
subtype: #horsewhip a whip for controlling horses
subtype: #buggy_whip__buggywhip a horsewhip once used by a driver of a buggy; "since buggies have been replaced by cars the buggy whip has become a symbol for anything that is hopelessly outmoded"
subtype: #knout a whip with a lash of leather thongs twisted with wire; used for flogging prisoners
subtype: #quirt whip with a leather thong at the end
subtype: #riding_crop__hunting_crop__huntingcrop a short whip with a thong at the end and a handle for opening gates
subtype: #scourge__flagellum a whip used to inflict punishment (often used for pedantic humor)
subtype: #strap.whip whip consisting of a strip of leather used in flogging
subtype: #tawse (Scot) a leather strap for punishing children
No statement uses or specializes #instrument; click here to add one.
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