thermostat

noun
ther·​mo·​stat | \ ˈthər-mə-ˌstat \

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 \ 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 \ adjective
thermostatically \ ˌthər-​mə-​ˈsta-​ti-​k(ə-​)lē \ adverb

Examples of thermostat in a Sentence

Noun

I set the thermostat to 68 degrees.

Recent Examples on the Web: Noun

Just as everyday appliances such as refrigerators and thermostats are starting to connect to the internet, the latest heavy-duty trucks are shipping out streams of information, turning 18-wheelers into data hubs moving at 60 mph. Erica E. Phillips, WSJ, "Trucks Shift Into Higher Gear With New Technology," 25 July 2018 The hub was stylish and well-designed, and intended to connect together smart home products including thermostats, speakers, and cameras. James Vincent, The Verge, "Apple reportedly buys AI startup with privacy-conscious approach," 21 Nov. 2018 Voice technology has also helped bring smart home devices — thermostats, lights, locks and any other appliances that can be controlled from anywhere — closer to the mainstream. Rani Molla, Recode, "Voice tech like Alexa and Siri hasn’t found its true calling yet: Inside the voice assistant ‘revolution’," 12 Nov. 2018 Instead of cranking up the thermostat, use a down comforter to keep you toasty throughout the night. Lexie Sachs, Good Housekeeping, "Everything You Need to Know About Buying a Comforter," 14 Oct. 2018 Fill the system with water and run it until the engine warms up enough to open the thermostat, and then for a few minutes longer to mix thoroughly. Mike Allen, Popular Mechanics, "How to Dispose of Hazardous Waste Without Damaging the Environment," 9 Oct. 2018 Resideo will include Honeywell’s ADI Global Distribution and home divisions, producing equipment such as thermostats, water-heater controls, security-control devices and sensors. Aisha Al-muslim, WSJ, "Resideo Names CFO, Board Ahead of Spinoff From Honeywell," 12 Sep. 2018 Johnson Controls has a Milwaukee headquarters and produces a wide range of technological products for buildings, including thermostats, security systems and dampers. Todd Richmond, The Seattle Times, "Foxconn joins Wisconsin companies to create investment fund," 28 Aug. 2018 Instead, Adamczyk decided to spin off its automobile turbocharger unit by the end of September and the home-products segment, which includes the iconic Honeywell-brand thermostat, by the end of the year. Thomas Black, Bloomberg.com, "Honeywell CEO Proves Loeb Wrong as Aerospace Boosts Profit," 20 Apr. 2018

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

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Statistics for thermostat

Last Updated

9 Feb 2019

Look-up Popularity

Time Traveler for thermostat

The first known use of thermostat was in 1831

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More Definitions for thermostat

thermostat

noun
ther·​mo·​stat | \ ˈthər-mə-ˌstat \

Kids Definition of thermostat

: a device that automatically controls temperature

thermostat

noun
ther·​mo·​stat | \ ˈthər-mə-ˌstat \

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 \ adjective
thermostatically \ -​i-​k(ə-​)lē \ adverb

thermostat

transitive verb
thermostated\ -​ˌstat-​əd \ 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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