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
Abby Wolner, Better Homes & Gardens, 6 May 2025
The thermostat appears in a dedicated panel on the Ecobee mobile app’s home screen.
—PC Magazine, 30 Apr. 2025
Many of the walls, doors, and mirrors appeared to have substances smeared across them, the thermostat was changed to 50 degrees, and the back door was left open.
—Thomas G. Moukawsher, MSNBC Newsweek, 14 Apr. 2025
How active has your heater been lately? Over weeks of chilly temperatures and heavy rains, California residents have been turning up their thermostats to stay warm.
—Kendrick Marshall, Sacramento Bee, 16 Feb. 2025
See All Example Sentences for thermostat
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Noun
From disguising your thermostat to building a 3-D wall display, there are many ways to reuse vintage frames.
—Abby Wolner, Better Homes & Gardens, 6 May 2025
The thermostat appears in a dedicated panel on the Ecobee mobile app’s home screen.
—PC Magazine, 30 Apr. 2025
Many of the walls, doors, and mirrors appeared to have substances smeared across them, the thermostat was changed to 50 degrees, and the back door was left open.
—Thomas G. Moukawsher, MSNBC Newsweek, 14 Apr. 2025
How active has your heater been lately? Over weeks of chilly temperatures and heavy rains, California residents have been turning up their thermostats to stay warm.
—Kendrick Marshall, Sacramento Bee, 16 Feb. 2025
See All Example Sentences for thermostat
Cite this Entry
“Thermostat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thermostat. Accessed 21 May. 2025.
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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