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

Keep scrolling for more

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

According to the National Audubon Society, black-capped chickadees can lower their internal thermostats by as much as 22º F after dark! Caroline Picard, Good Housekeeping, "Here's How Birds Stay Warm in the Winter, In Case You Were Wondering," 1 Feb. 2019 Soon Comcast’s eye-gaze technology will be integrated with the company’s smart home services, allowing customers to turn on lights, control the thermostat, or open the door with their eyes. Anne Quito, Quartz, "Comcast’s new remote control feature allows viewers to change the channel with their eyes," 17 June 2019 Plenty of smart thermostats, security cameras, and doorbells will also be discounted. Emily Heller, Curbed, "Black Friday 2018: Best home tech deals to watch for," 24 Nov. 2018 Photo: Getty Auto makers closed factories, airlines canceled more flights and gas utilities urged customers to turn down their thermostats as the Midwest continued to grapple Thursday with deadly Arctic temperatures. Erin Ailworth, WSJ, "Polar Vortex Strains Systems; General Motors Halts Factories," 31 Jan. 2019 Google has been upset with Amazon for not carrying certain Google products in its online store, including the Nest thermostat and Google Chromecast. Edward Baig, USA TODAY, "Google Assistant is coming to smart screens, rivaling Amazon Echo Show," 8 Jan. 2018 There are the usual suspects: smart TVs, smart light bulbs, smart speakers, smart thermostats, smart door locks, and so on. Fox News, "10 smart devices you never knew about before now," 12 Sep. 2018 Like someone continually turning up the thermostat in a freezing apartment, Venezuelans were demanding greater democratic rights and stronger democratic institutions. Christopher Claassen, Washington Post, "Support for democracy is declining — but not in the U.S. or other Western democracies," 5 July 2018 Turn the thermostat up two degrees in the summer months to save money and energy. For Lg&e Ku, The Courier-Journal, "Check out these no-fuss ways to save energy and money this summer.," 26 June 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.

See More

First Known Use of thermostat

Noun

1831, in the meaning defined above

Verb

1924, in the meaning defined above

Keep scrolling for more

Learn More about thermostat

Statistics for thermostat

Last Updated

13 Jul 2019

Look-up Popularity

Time Traveler for thermostat

The first known use of thermostat was in 1831

See more words from the same year

Keep scrolling for more

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

Keep scrolling for more

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

Comments on thermostat

What made you want to look up thermostat? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to form ideas or theories about something

Get Word of the Day daily email!

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!