ther·mo·stat
ˈthər-mə-ˌstat 
: an automatic device for regulating temperature (as by controlling the supply of gas or electricity to a heating apparatus)
also
: a similar device for actuating fire alarms or for controlling automatic sprinklers
thermostated
ˈthər-mə-ˌsta-təd
also thermostatted; thermostating also thermostatting
also thermostatted; thermostating also thermostatting
: to provide with or control the temperature of by a thermostat
Examples of thermostat in a Sentence
Noun
I set the thermostat to 68 degrees.
Recent Examples on the Web
Encyclopedia Britannica, 6 May 2026
As a playmaker, as a scorer, as a team thermostat.
—Marcus Thompson Ii, New York Times, 5 May 2026
And the higher your thermostat setting, the less your air conditioner has to run.
—Ryan Brennan
may 4, Sacbee.com, 4 May 2026
Bumping the thermostat up just one degree can save 2-3% on cooling costs, according to 12News.
—Ryan Brennan, Kansas City Star, 4 May 2026
See All Example Sentences for thermostat
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Noun
Sealing gaps around windows and doors, adding insulation in accessible areas, installing a smart thermostat, or replacing worn weatherstripping can make a home more comfortable and may help reduce energy use over time.
—Encyclopedia Britannica, 6 May 2026
As a playmaker, as a scorer, as a team thermostat.
—Marcus Thompson Ii, New York Times, 5 May 2026
And the higher your thermostat setting, the less your air conditioner has to run.
—Ryan Brennan
may 4, Sacbee.com, 4 May 2026
Bumping the thermostat up just one degree can save 2-3% on cooling costs, according to 12News.
—Ryan Brennan, Kansas City Star, 4 May 2026
See All Example Sentences for thermostat
Cite this Entry
“Thermostat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thermostat. Accessed 12 May. 2026.
Copy CitationMedical Definition
thermostat
1 of 2 noun
ther·mo·stat
ˈthər-mə-ˌstat
1
: an automatic device for regulating temperature (as by controlling the supply of gas or electricity to a heating apparatus)
2
: a piece of apparatus (as a constant-temperature chamber) regulated by a thermostat
thermostat
2 of 2 transitive verb
thermostated
-ˌstat-əd
or thermostatted; thermostating or thermostatting
or thermostatted; thermostating or thermostatting
: to provide with or control the temperature of by a thermostat
a thermostated centrifuge
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