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
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Simply glancing at a thermometer may not show how unpleasant conditions are, however; this heat wave is being particularly influenced by high humidity that is keeping overnight temperatures relatively warm, offering people little respite.
—
Meghan Bartels, Scientific American, 23 July 2025
Yet, unlike regular ovens, this model has a digital infrared thermometer to gauge the temperature of the pizza stone.
—Yelena Moroz Alpert, Architectural Digest, 17 July 2025
Cook, turning twice, until deep golden brown and a thermometer inserted into thickest portion registers 165°F, 12 to 15 minutes for thighs and 15 to 18 minutes for breasts.
—Jessica B. Harris, Southern Living, 7 July 2025
Lack of accurate thermometers in all refrigeration/freezer units storing TCS food.
—Gege Reed, The Courier-Journal, 2 July 2025
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Meghan Bartels, Scientific American, 23 July 2025
Yet, unlike regular ovens, this model has a digital infrared thermometer to gauge the temperature of the pizza stone.
—Yelena Moroz Alpert, Architectural Digest, 17 July 2025
Cook, turning twice, until deep golden brown and a thermometer inserted into thickest portion registers 165°F, 12 to 15 minutes for thighs and 15 to 18 minutes for breasts.
—Jessica B. Harris, Southern Living, 7 July 2025
Lack of accurate thermometers in all refrigeration/freezer units storing TCS food.
—Gege Reed, The Courier-Journal, 2 July 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 8 Aug. 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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