#mote__atom__molecule__particle__speck  (nontechnical usage) a tiny piece of anything
  supertype:  material.substance__stuff  the tangible substance that goes into the makeup of a physical object; "coal is a hard black material"; "wheat is the stuff they use to make bread"
  subtype:  grain  a small hard particle; "a grain of sand"
     subtype:  granule  a tiny grain
        subtype:  microsome  a tiny granule in the cytoplasm
        subtype:  chondrule  small granule (of e.g. chrysolite) found in some meteoric rocks
        subtype:  plastid  any of various small particles in the cytoplasm of the cells of plants and some animals containing pigments or starch or oil or protein
           subtype:  chromoplast  plastid containing pigments other than chlorophyll usually yellow or orange carotenoids
           subtype:  chloroplast  plastid containing chlorophyll and other pigments; in plants that carry out photosynthesis
  subtype:  chylomicron  a microscopic particle of triglycerides produced in the intestines during digestion; in the bloodstream they release their fatty acids into the blood

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