Search Dictionary
Definition of thermostat
thermostat
/ˈθɝːməˌstæt/
ther · mo · stat
Adverb:thermostatically
•Plural:thermostats
•Adjective:thermostatic
•Past Simple:thermostated
•Past Participle:thermostated
•Present Participle:thermostating
thermostat Lexical Profile
CEFR
B2
Grade
6
Tier
2
Usage
Top 10k
thermostat Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A device that automatically regulates temperature or that activates another device when the temperature reaches a specific point.
Example
"She turned down the thermostat before leaving the house to save on heating costs during the winter."
Synonyms
View all synonyms for thermostat• verb
1
To equip or control with a thermostat (especially in scientific or industrial contexts).
Example
"The laboratory incubators are carefully thermostated to maintain an exact environment for the sensitive cell cultures."
Synonyms
View all synonyms for thermostat• Rhymes for thermostat
• Nearby Words
Word Origin & Etymology
Coined in the 1830s from the Greek 'thermos' (hot) and '-stat' (from 'statos', meaning standing or stationary), originally referring to a device that maintains a steady temperature.
Cite this Entry
Wordmom. (2026). Definition of Thermostat. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/thermostat