#hour__hr__60_minutes  a period of time equal to 1/24th of a day; "the job will take more than an hour"
  supertype:  #time_unit__unit_of_time  a unit for measuring time periods
  part:  #half-hour  #quarter-hour  #minute  #quarter.time_unit
  part of:  #day
  subtype:  #sidereal_hour  1/24 of a sidereal day
  subtype:  #man_hour__manhour__personhour  a time unit used in industry for measuring work

1 statement is about a direct instance of #hour: u#graph1_on_alteration
No  statement uses a specialization of #hour; click here to add a statement.