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
Kathy Barnes, Better Homes & Gardens, 25 Nov. 2025
Kociemba teamed up with the open-source community and created No Longer Evil, software that brings smart functionality back to these aging thermostats.
—Kurt Knutsson, FOXNews.com, 25 Nov. 2025
Typically, a thermostat set for 64 degrees or higher is good to ensure your pets are warm enough.
—Lauren David, Southern Living, 24 Nov. 2025
And the arguments over how high or low to set the thermostat begin.
—Phaedra Trethan, USA Today, 22 Nov. 2025
See All Example Sentences for thermostat
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.
Noun
Opt for Artificial If you're set on placing your tree in a certain spot or don't want to adjust your thermostat for the season, there are plenty of artificial Christmas trees that look just like the real thing.
—Kathy Barnes, Better Homes & Gardens, 25 Nov. 2025
Kociemba teamed up with the open-source community and created No Longer Evil, software that brings smart functionality back to these aging thermostats.
—Kurt Knutsson, FOXNews.com, 25 Nov. 2025
Typically, a thermostat set for 64 degrees or higher is good to ensure your pets are warm enough.
—Lauren David, Southern Living, 24 Nov. 2025
And the arguments over how high or low to set the thermostat begin.
—Phaedra Trethan, USA Today, 22 Nov. 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 28 Nov. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share