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thermometer
[ ther-mom-i-ter ]
/ θərˈmɒm ɪ tər /
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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.
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OTHER WORDS FROM thermometer
ther·mo·met·ric [thur-muh-me-trik], /ˌθɜr məˈmɛ trɪk/, ther·mo·met·ri·cal, adjectivether·mo·met·ri·cal·ly, adverbWords nearby thermometer
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use thermometer in a sentence
British Dictionary definitions for thermometer
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 tubeSee also clinical thermometer, gas thermometer, resistance thermometer, thermocouple, pyrometer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for thermometer
thermometer
[ thər-mŏm′ĭ-tər ]
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).
The American Heritage® Science Dictionary
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