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
Kamron Sanders, Better Homes & Gardens, 3 Aug. 2025
Homeowners frequently respond by adjusting their thermostats more aggressively, which only exacerbates the issue.
—Brynn Cooksey, Forbes.com, 30 July 2025
Texas Energy recommends setting your thermostat at 85 while away to save up to 10% on your yearly costs.
—Alexis Simmerman, Austin American Statesman, 30 July 2025
Cool Your Sleep Environment Open your window or set your thermostat to a lower temperature at night.
—Elizabeth Yuko, Flow Space, 29 July 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
Turning your thermostat up slightly will allow your AC to cycle on and off as necessary rather than running continuously.
—Kamron Sanders, Better Homes & Gardens, 3 Aug. 2025
Homeowners frequently respond by adjusting their thermostats more aggressively, which only exacerbates the issue.
—Brynn Cooksey, Forbes.com, 30 July 2025
Texas Energy recommends setting your thermostat at 85 while away to save up to 10% on your yearly costs.
—Alexis Simmerman, Austin American Statesman, 30 July 2025
Cool Your Sleep Environment Open your window or set your thermostat to a lower temperature at night.
—Elizabeth Yuko, Flow Space, 29 July 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 Aug. 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