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
Chad Murphy, The Enquirer, 2 July 2025
Keep your thermostat at 65 degrees or higher and ensure your home is well-insulated.
—Alexis Simmerman, Austin American Statesman, 2 July 2025
From smart thermostat settings to AC-saving tricks, here’s how to stay cool and energy-efficient when temperatures spike.
—Elizabeth Fogarty, Better Homes & Gardens, 2 July 2025
Energy companies, including in Missouri, Maryland and Florida, recommend thermostats at 78 degrees during summer months.
—Enquirer Staff, Cincinnati Enquirer, 23 June 2025
See All Example Sentences for thermostat
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Noun
Keep the thermostat at the same temperature day and night.
—Chad Murphy, The Enquirer, 2 July 2025
Keep your thermostat at 65 degrees or higher and ensure your home is well-insulated.
—Alexis Simmerman, Austin American Statesman, 2 July 2025
From smart thermostat settings to AC-saving tricks, here’s how to stay cool and energy-efficient when temperatures spike.
—Elizabeth Fogarty, Better Homes & Gardens, 2 July 2025
Energy companies, including in Missouri, Maryland and Florida, recommend thermostats at 78 degrees during summer months.
—Enquirer Staff, Cincinnati Enquirer, 23 June 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 10 Jul. 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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