Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary
1

thermostat

play
noun ther·mo·stat \ˈthər-mə-ˌstat\

Definition of thermostat

  1. :  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 play \ˌthər-mə-ˈsta-tik\ adjective
thermostatically play \-ti-k(ə-)lē\ adverb



2

thermostat

transitive verb ther·mo·stat

Definition of thermostat

thermostated \-ˌsta-təd\ also thermostattedthermostating also thermostatting

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



1924

First Known Use of thermostat

1924


THERMOSTAT Defined for Kids

thermostat

play
noun ther·mo·stat \ˈthər-mə-ˌstat\

Definition of thermostat for Students

  1. :  a device that automatically controls temperature




Learn More about thermostat


Seen and Heard

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

immature or lacking adult sophistication

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

angry prompt maudlin oily
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