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
Jalen Williams, Freep.com, 9 Oct. 2025
Keep a close eye on your central air usage (even from afar) with a programmable smart thermostat.
—Kate McGregor, Architectural Digest, 8 Oct. 2025
Turning down the thermostat and remote work Andrea Donsky, a nutritionist and co-founder of Morpheus, a menopause supplement and vitamin company, says companies need to do more.
—Laura Trujillo, USA Today, 7 Oct. 2025
Gwen champions Chelsea for advocating for her needs, but Gwen’s obviously the patsy here, running to turn up the thermostat the second Chelsea asks.
—Kathryn Vanarendonk, Vulture, 6 Oct. 2025
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Noun
Maintain the thermostat at 55 degrees or higher to prevent pipes from freezing.
—Jalen Williams, Freep.com, 9 Oct. 2025
Keep a close eye on your central air usage (even from afar) with a programmable smart thermostat.
—Kate McGregor, Architectural Digest, 8 Oct. 2025
Turning down the thermostat and remote work Andrea Donsky, a nutritionist and co-founder of Morpheus, a menopause supplement and vitamin company, says companies need to do more.
—Laura Trujillo, USA Today, 7 Oct. 2025
Gwen champions Chelsea for advocating for her needs, but Gwen’s obviously the patsy here, running to turn up the thermostat the second Chelsea asks.
—Kathryn Vanarendonk, Vulture, 6 Oct. 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 16 Oct. 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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