Mercury-in-glass Thermometer (Noun)
Meaning
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.
Classification
Nouns denoting man-made objects.
Examples
- The mercury-in-glass thermometer is the most common type of thermometer used for measuring temperature.
- A mercury-in-glass thermometer consists of a glass tube filled with mercury, which expands when heated and contracts when cooled.
- Historically, the mercury-in-glass thermometer has been widely used in meteorology to measure air temperature in the weather forecasting industry.
- The temperature reading on a mercury-in-glass thermometer is based on the principle that mercury expands and rises in the glass tube in direct proportion to the increase in temperature.
- Due to concerns about toxicity and environmental pollution, the use of mercury-in-glass thermometers has been largely phased out in many countries.