- mercury-in-glass thermometer as a noun:
- 1
mercury-in-glass thermometer
noun
1 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.
synonym: mercury thermometer.
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