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
Isabel Garcia, People.com, 14 Jan. 2025
Increase the Temperature Turning the thermostat up by a few degrees can also dry saturated soil, but don’t overdo it or place your plants near a heating unit.
—Lauren Landers, Better Homes & Gardens, 14 Jan. 2025
Harnessing the potential of smart technologies, such as intelligent meters and thermostats, can empower households and businesses to monitor and optimize energy usage effectively.
—Dianne Plummer, Forbes, 30 Dec. 2024
Wearing cardigans on TV to demonstrate turning down the thermostat, for example.
—Amelia Thomson-Deveaux, ABC News, 30 Dec. 2024
See all Example Sentences for thermostat 
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Noun
Instead of turning the thermostat up or hauling out a space heater this winter, consider wrapping up in one of Amazon’s best-selling blankets.
—Isabel Garcia, People.com, 14 Jan. 2025
Increase the Temperature Turning the thermostat up by a few degrees can also dry saturated soil, but don’t overdo it or place your plants near a heating unit.
—Lauren Landers, Better Homes & Gardens, 14 Jan. 2025
Harnessing the potential of smart technologies, such as intelligent meters and thermostats, can empower households and businesses to monitor and optimize energy usage effectively.
—Dianne Plummer, Forbes, 30 Dec. 2024
Wearing cardigans on TV to demonstrate turning down the thermostat, for example.
—Amelia Thomson-Deveaux, ABC News, 30 Dec. 2024
See all Example Sentences for thermostat
Dictionary Entries Near thermostat
Cite this Entry
“Thermostat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thermostat. Accessed 1 Feb. 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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