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Noun: mercury-in-glass thermometer
  1. 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
    - mercury thermometer

Derived forms: mercury-in-glass thermometers

Type of: thermometer

Encyclopedia: Mercury-in-glass thermometer