thermostat

noun
ther·​mo·​stat | \ ˈthər-mə-ˌstat How to pronounce thermostat (audio) \

Definition of thermostat

 (Entry 1 of 2)

: 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

thermostat

verb
thermostated\ ˈthər-​mə-​ˌsta-​təd How to pronounce thermostated (audio) \ also thermostatted; thermostating also thermostatting

Definition of thermostat (Entry 2 of 2)

transitive verb

: to provide with or control the temperature of by a thermostat

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Other Words from thermostat

Noun

thermostatic \ ˌthər-​mə-​ˈsta-​tik How to pronounce thermostatic (audio) \ adjective
thermostatically \ ˌthər-​mə-​ˈsta-​ti-​k(ə-​)lē How to pronounce thermostatically (audio) \ adverb

Examples of thermostat in a Sentence

Noun I set the thermostat to 68 degrees.
Recent Examples on the Web: Noun Adjust your thermostat a few degrees higher and turn off lights, computers, and other electrical devices when not in use. Miriam Marini, Detroit Free Press, "Another Ozone Action day declared in southeast Michigan," 5 July 2020 For those types, a smart thermostat will be your best friend. Isabelle Kagan, USA TODAY, "Home Depot's huge 4th of July sale has arrived—here are the best deals," 30 June 2020 Use the control knob to select three different speeds, while a manual thermostat helps maintain a consistent comfort level. Popular Science, "Window fans that will keep you cool," 9 June 2020 Hot air is expected to flow into southern Wisconsin on Tuesday, turning up the thermostat past warm and toasty and into hot and sticky. Meg Jones, Milwaukee Journal Sentinel, "Temperatures could soar to 90 on Tuesday, bringing intense humidity and severe thunderstorms," 1 June 2020 On-device controls like power and your digital wallet will appear on top, but there are smart home controls below, like the ability to lock or unlock a door and turn on a thermostat, among many others. Jacob Krol, CNN Underscored, "Android 11 is official. Here's what's new and how to get the beta," 10 June 2020 Once running, the thermostat was easy to control from the app. Popular Mechanics, "The Best Tech, Appliances, and Gadgets For A Smarter, Safer Home," 4 May 2020 Because her pet snake, a ball python named Alfredo, needs to keep warm, Eliana installed a heating pad below the makeshift tank connected to a thermostat that runs off the main car battery. Taylor Lorenz, Outside Online, "Jennelle Eliana's Rise to Vanlife Stardom," 7 Sep. 2019 Ready to win the debate in your car over who controls the thermostat? Dave Vanderwerp, Car and Driver, "Heated Debate: A Guide to Winning Climate-Control Fights," 17 May 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thermostat.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of thermostat

Noun

1831, in the meaning defined above

Verb

1924, in the meaning defined above

History and Etymology for thermostat

Noun

thermo- + -stat

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Time Traveler for thermostat

Time Traveler

The first known use of thermostat was in 1831

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Statistics for thermostat

Last Updated

10 Jul 2020

Cite this Entry

“Thermostat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thermostat. Accessed 12 Jul. 2020.

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More Definitions for thermostat

thermostat

noun
ther·​mo·​stat | \ ˈthər-mə-ˌstat How to pronounce thermostat (audio) \

Kids Definition of thermostat

: a device that automatically controls temperature

thermostat

noun
ther·​mo·​stat | \ ˈthər-mə-ˌstat How to pronounce thermostat (audio) \

Medical Definition of thermostat

 (Entry 1 of 2)

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

Other Words from thermostat

thermostatic \ ˌthər-​mə-​ˈstat-​ik How to pronounce thermostatic (audio) \ adjective
thermostatically \ -​i-​k(ə-​)lē How to pronounce thermostatically (audio) \ adverb

thermostat

transitive verb
thermostated\ -​ˌstat-​əd How to pronounce thermostated (audio) \ or thermostatted; thermostating or thermostatting

Medical Definition of thermostat (Entry 2 of 2)

: to provide with or control the temperature of by a thermostat a thermostated centrifuge

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More from Merriam-Webster on thermostat

Rhyming Dictionary: Words that rhyme with thermostat

Spanish Central: Translation of thermostat

Nglish: Translation of thermostat for Spanish Speakers

Britannica.com: Encyclopedia article about thermostat

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