Definition of mercury-in-glass thermometer Mercury-in-glass thermometer
We found 2 definitions of mercury-in-glass thermometer from 2 different sources.
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What does mercury-in-glass thermometer mean?
WordNet
Noun |
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| 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 | ||
| mercury thermometer | ||
| thermometer measuring instrument for measuring temperature | ||
| beckman thermometer a mercury thermometer that measures small differences or changes in temperature | ||
| bulb a rounded part of a cylindrical instrument (usually at one end); "the bulb of a syringe" | ||
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Wikipedia 
- Mercury is a dense, opaque, metallic gray liquid. Mercury was often used in thermometers as it expands uniformly with any rise in the temperature. However, mercury is expensive, toxic, and cannot be used to measure temperatures lower than -39˚C (as mercury freezes at that point). Mercury has been replaced largely by alcohol for use in thermometers, as alcohol is cheaper and safer than mercury.
