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
Thomas G. Moukawsher, Newsweek, 20 Mar. 2025
Turning down temperatures on your thermostat before bed can help, and running a ceiling or oscillating fan or air purifier can help improve airflow in your bedroom.
—Andrea Beck, Better Homes & Gardens, 11 Mar. 2025
Both manual and app controls were responsive and the thermostat always adhered to my schedules.
—PCMAG, 21 Feb. 2025
In French government buildings, thermostats have been lowered in winter to save electricity.
—Stanley Reed, New York Times, 3 Feb. 2025
See All Example Sentences for thermostat
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Noun
The explosion in sensory technology such as smart thermostats and appliance controls means building managers have a growing flow of data.
—Thomas G. Moukawsher, Newsweek, 20 Mar. 2025
Turning down temperatures on your thermostat before bed can help, and running a ceiling or oscillating fan or air purifier can help improve airflow in your bedroom.
—Andrea Beck, Better Homes & Gardens, 11 Mar. 2025
Both manual and app controls were responsive and the thermostat always adhered to my schedules.
—PCMAG, 21 Feb. 2025
In French government buildings, thermostats have been lowered in winter to save electricity.
—Stanley Reed, New York Times, 3 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 24 Mar. 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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