#densimeter__densitometer  a measuring instrument for determining density or specific gravity
  supertype:  #measuring_instrument__measuringinstrument__measuring_system__measuringsystem__measuring_device__measuringdevice  instrument that shows the extent or amount or quantity or degree of something
  subtype:  #dasymeter  densimeter consisting of a thin glass globe that is weighed in a gas to determine its density

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