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thermometer
[ther-mom-i-ter]
noun
an instrument for measuring temperature, often a sealed glass tube that contains a column of liquid, as mercury, that expands and contracts, or rises and falls, with temperature changes, the temperature being read where the top of the column coincides with a calibrated scale marked on the tube or its frame.
thermometer
/ θəˈmɒmɪtə /
noun
an instrument used to measure temperature, esp one in which a thin column of liquid, such as mercury, expands and contracts within a graduated sealed tube See also clinical thermometer gas thermometer resistance thermometer thermocouple pyrometer
thermometer
An instrument used to measure temperature. There are many types of thermometers; the most common consist of a closed, graduated glass tube in which a liquid expands or contracts as the temperature increases or decreases. Other types of thermometers work by detecting changes in the volume or pressure of an enclosed gas or by registering thermoelectric changes in a conductor (such as a thermistor or thermocouple).
Other Word Forms
- thermometric adjective
- thermometrical adjective
- thermometrically adverb
Word History and Origins
Origin of thermometer1
Example Sentences
Two people in the area fainted as thermometers showed the temperature hitting 97 degrees.
The timepiece includes moon phases, an alarm and thermometer and was described as "one of the world's most complicated vintage pocket watches ever made".
With QGP reaching temperatures of several trillion Kelvins, the challenge was to find a "thermometer" capable of observing it without interference.
The Scot brought a thermometer to last year’s contest.
“There’s no Republican or Democratic thermometer — red and blue state alike, and countries around the world, are facing this climate-fueled insurance crisis. And California is taking action,” Newsom said in a statement accompanying his order.
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