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
This method, of course, relies on a good meat thermometer.
—
Li Goldstein, Bon Appetit Magazine, 14 July 2025
Step 3 Into a large skillet fitted with a deep-fry thermometer, pour 1 inch of oil.
—Dimitris Chantziplakis, Saveur, 10 July 2025
The chicken is cooked when the internal temperature reaches 165 degrees on a meat thermometer.
—Beth Dooley, Boston Herald, 9 July 2025
Indeed, the region has experienced a couple of small heat-ups previously this month, following similar patterns: putting the thermometer into the 90s in the region’s hottest spots, while reaching the upper 80s elsewhere.
—Rick Hurd, Mercury News, 27 June 2025
See All Example Sentences for thermometer
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Li Goldstein, Bon Appetit Magazine, 14 July 2025
Step 3 Into a large skillet fitted with a deep-fry thermometer, pour 1 inch of oil.
—Dimitris Chantziplakis, Saveur, 10 July 2025
The chicken is cooked when the internal temperature reaches 165 degrees on a meat thermometer.
—Beth Dooley, Boston Herald, 9 July 2025
Indeed, the region has experienced a couple of small heat-ups previously this month, following similar patterns: putting the thermometer into the 90s in the region’s hottest spots, while reaching the upper 80s elsewhere.
—Rick Hurd, Mercury News, 27 June 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 21 Jul. 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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