thermostat

1 of 2

noun

ther·​mo·​stat ˈthər-mə-ˌstat How to pronounce thermostat (audio)
: 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
thermostatic adjective
thermostatically adverb

thermostat

2 of 2

verb

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

transitive verb

: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
And now that the cold months are upon us, battles over the thermostat are sure to begin. Eric Lagatta, USA TODAY, 24 Nov. 2024 Take videos of radiators, heaters, or vents, and get suggestions for upgrades like installing programmable thermostats, sealing drafts, or even switching to more efficient heating systems. Jaime Catmull, Forbes, 30 Oct. 2024 The company is on track to control about 100,000 thermostats, hot water heaters and other devices in homes in Europe and the Middle East. Alan Neuhauser, Axios, 12 Sep. 2024 To save money on your electricity bill, consider using less energy, finding out your electric company’s peak hours, programming your thermostat, investing in smart plugs and upgrading to energy-efficient appliances. Kurt Knutsson, Cyberguy Report, Fox News, 7 Sep. 2024 See all Example Sentences for thermostat 

Word History

Etymology

Noun

thermo- + -stat

First Known Use

Noun

1831, in the meaning defined above

Verb

1924, in the meaning defined above

Time Traveler
The first known use of thermostat was in 1831

Dictionary Entries Near thermostat

Cite this Entry

“Thermostat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thermostat. Accessed 6 Dec. 2024.

Kids Definition

thermostat

noun
ther·​mo·​stat
ˈthər-mə-ˌstat
: a device that automatically controls temperature
thermostatic
ˌthər-mə-ˈstat-ik
adjective
thermostatically
-i-k(ə-)lē
adverb

Medical Definition

thermostat

1 of 2 noun
ther·​mo·​stat ˈthər-mə-ˌstat How to pronounce thermostat (audio)
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
thermostatic adjective
thermostatically adverb

thermostat

2 of 2 transitive verb
thermostated -ˌstat-əd How to pronounce thermostat (audio) or thermostatted; thermostating or thermostatting
: to provide with or control the temperature of by a thermostat
a thermostated centrifuge

More from Merriam-Webster on thermostat

Last Updated: - Updated example sentences
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