#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
  supertype:  #thermometer  measuring instrument for measuring temperature
  part:  #bulb.part
  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

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