ther·mo·stat
ˈthər-mə-ˌstat 
: 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
thermostated
ˈthər-mə-ˌsta-təd
also thermostatted; thermostating also thermostatting
also thermostatted; thermostating also thermostatting
: 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
Maggie Gillette, Better Homes & Gardens, 1 June 2025
From enabling solar panels and smart thermostats to reduce energy waste to powering safety features and battery management in electric vehicles, semiconductors are driving more efficient operations across the board.
—Henrik Mannesson, Forbes.com, 28 May 2025
Temperature is accurately controlled with a 6.6-pound solid brass group head and PID (Proportional-Integral-Derivative) heating system which, unlike traditional thermostats, constantly monitors and adjusts the heat, maintaining the ideal temperature with greater precision and stability.
—Chris Haslam, Wired News, 23 May 2025
Some thermostats may also calculate and display the humidity inside your home.
—Rachael Zimlich, Verywell Health, 14 May 2025
See All Example Sentences for thermostat
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
Another option that works day and night is a personal thermostat.
—Maggie Gillette, Better Homes & Gardens, 1 June 2025
From enabling solar panels and smart thermostats to reduce energy waste to powering safety features and battery management in electric vehicles, semiconductors are driving more efficient operations across the board.
—Henrik Mannesson, Forbes.com, 28 May 2025
Temperature is accurately controlled with a 6.6-pound solid brass group head and PID (Proportional-Integral-Derivative) heating system which, unlike traditional thermostats, constantly monitors and adjusts the heat, maintaining the ideal temperature with greater precision and stability.
—Chris Haslam, Wired News, 23 May 2025
Some thermostats may also calculate and display the humidity inside your home.
—Rachael Zimlich, Verywell Health, 14 May 2025
See All Example Sentences for thermostat
Cite this Entry
“Thermostat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thermostat. Accessed 6 Jun. 2025.
Copy CitationMedical Definition
thermostat
1 of 2 noun
ther·mo·stat
ˈthər-mə-ˌstat
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
thermostat
2 of 2 transitive verb
thermostated
-ˌstat-əd
or thermostatted; thermostating or thermostatting
or thermostatted; thermostating or thermostatting
: to provide with or control the temperature of by a thermostat
a thermostated centrifuge
Love words? Need even more definitions?
Merriam-Webster unabridged
Share