thermometer
noun
ther·mom·e·ter
thər-ˈmä-mə-tər 
thə-ˈmä-mə-tər
plural thermometers
: an instrument for determining temperature
specifically
: one consisting of a sensor housed in a metal probe that registers a change in electrical resistance as a change in temperature
Examples of thermometer in a Sentence
Recent Examples on the Web
Tips From The Southern Living Test Kitchen Use an instant-read thermometer to feel confident that your chops are cooked.
—
Catherine Jessee, Southern Living, 27 Mar. 2025
Southern California’s unusually warm winter weather this week broke five temperature records Thursday as a strong high pressure system pushed the thermometer to around 15 degrees above normal across the region.
—Clara Harter, Los Angeles Times, 28 Feb. 2025
And the quirky graphics, like a tap coming straight out of an olive and a cooking thermometer dipped in a flame, tell the story of function as overtly as possible.
—Andrew Watman, Forbes, 25 Feb. 2025
This thermometer reads temperatures in three-to-four seconds and is completely waterproof.
—Will Porter, Architectural Digest, 13 Feb. 2025
See All Example Sentences for thermometer
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Catherine Jessee, Southern Living, 27 Mar. 2025
Southern California’s unusually warm winter weather this week broke five temperature records Thursday as a strong high pressure system pushed the thermometer to around 15 degrees above normal across the region.
—Clara Harter, Los Angeles Times, 28 Feb. 2025
And the quirky graphics, like a tap coming straight out of an olive and a cooking thermometer dipped in a flame, tell the story of function as overtly as possible.
—Andrew Watman, Forbes, 25 Feb. 2025
This thermometer reads temperatures in three-to-four seconds and is completely waterproof.
—Will Porter, Architectural Digest, 13 Feb. 2025
See All Example Sentences for thermometer
Cite this Entry
“Thermometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thermometer. Accessed 3 Apr. 2025.
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Medical Definition
thermometer
noun
ther·mom·e·ter
thə(r)-ˈmäm-ət-ər
: an instrument for determining temperature that usually consists either of a device providing a digital readout or of a glass bulb attached to a fine tube of glass with a numbered scale and containing a liquid (as mercury or colored alcohol) that is sealed in and rises and falls with changes of temperature
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