#vapor__vapour  a visible suspension in the air of particles of some substance
  supertype:  #suspension  a mixture in which fine particles are suspended in a fluid where they are supported by buoyancy
  subtype:  #steam  water at boiling temperature diffused in the atmosphere
     subtype:  #live_steam  steam coming from a boiler at full pressure
  subtype:  #water_vapor__watervapor__water_vapour__watervapour  water in a vaporous form diffused in the atmosphere but below boiling temperature
     subtype:  #spray.water_vapor  water in small drops in the atmosphere; blown from waves or thrown up by a waterfall
        subtype:  #sea_spray__seaspray  spray from ocean waves
        subtype:  #spindrift__spoondrift  spray blown up from the surface of the sea

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