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
To check the doneness of your pork without constantly lifting the lid (and letting heat escape), use a probe thermometer with a digital display.
—
Maggie Meyer Glisan, Better Homes & Gardens, 11 Jan. 2026
The bitter cold felt throughout the city was worse than what thermometers registered in the tiny town of Hell, Michigan, which was minus 17 degrees.
—Kori Rumore, Chicago Tribune, 10 Jan. 2026
Cook, whisking constantly, until eggs are warm to the touch (or when a thermometer registers about 85°F), about 1 minute.
—Amanda Stanfield, Southern Living, 10 Jan. 2026
Lower the heat to maintain a simmer and cook until the pork is cooked through to 145°F (63°C) when measured with an instant-read thermometer, 8 to 10 minutes.
—Mackensy Lunsford, Nashville Tennessean, 29 Dec. 2025
See All Example Sentences for thermometer
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Maggie Meyer Glisan, Better Homes & Gardens, 11 Jan. 2026
The bitter cold felt throughout the city was worse than what thermometers registered in the tiny town of Hell, Michigan, which was minus 17 degrees.
—Kori Rumore, Chicago Tribune, 10 Jan. 2026
Cook, whisking constantly, until eggs are warm to the touch (or when a thermometer registers about 85°F), about 1 minute.
—Amanda Stanfield, Southern Living, 10 Jan. 2026
Lower the heat to maintain a simmer and cook until the pork is cooked through to 145°F (63°C) when measured with an instant-read thermometer, 8 to 10 minutes.
—Mackensy Lunsford, Nashville Tennessean, 29 Dec. 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 13 Jan. 2026.
Copy CitationKids Definition
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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share