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 thermostat (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

Other Words from thermostat

Noun

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

Examples of thermostat in a Sentence

Noun I set the thermostat to 68 degrees.
Recent Examples on the Web: Noun National Grid and Eversource are asking customers to turn up their thermostat a couple degrees and limit the use air conditioners and large electric appliances like ovens and clothing dryers during the peak hours of 2-7 p.m. Globe Staff, BostonGlobe.com, 21 July 2022 Then, during the day, set your thermostat higher than normal, so that the cool air doesn’t kick on as much. Andy Meek, BGR, 14 July 2022 The council suggests raising your thermostat by a few degrees and forgo running major appliances. Jay R. Jordan, Chron, 11 July 2022 To help conserve, TVA recommends: Turning up your thermostat – even one or two degrees makes a big difference in your power bill and do not significantly impact your comfort. Leada Gore | Lgore@al.com, al, 15 June 2022 Install a programmable thermostat to reduce energy consumption without having to adjust your lifestyle. Kaylei Fear, Better Homes & Gardens, 15 Mar. 2022 Equipment failures and inefficiencies can be detected and sometimes predicted (my smart thermostat reminds me to change the filter). Patrick Moorhead, Forbes, 3 Jan. 2022 At night or when no one is home, set your thermostat to 58 to 60 degrees. oregonlive, 9 Nov. 2021 Instead, set your thermostat to 55 degrees to keep your pipes from freezing. Washington Post, 27 Oct. 2021 See More

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.

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

Buying Guide

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Time Traveler for thermostat

Time Traveler

The first known use of thermostat was in 1831

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Dictionary Entries Near thermostat

thermostable

thermostat

thermostimulation

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Statistics for thermostat

Last Updated

4 Aug 2022

Cite this Entry

“Thermostat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thermostat. Accessed 9 Aug. 2022.

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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 thermostat (audio) \ adjective
thermostatically \ -​i-​k(ə-​)lē How to pronounce thermostat (audio) \ adverb

thermostat

transitive verb
thermostated\ -​ˌstat-​əd How to pronounce thermostat (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

More from Merriam-Webster on thermostat

Nglish: Translation of thermostat for Spanish Speakers

Britannica.com: Encyclopedia article about thermostat

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