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
Jack Dunn, Variety, 4 Mar. 2025
Compatibility Nest thermostats are compatible with most HVAC systems, but not all.
—Bestreviews, The Mercury News, 26 Feb. 2025
Break free from constant comfort by micro-fasting—end showers with cold water, lowering the thermostat, or sitting in silence without distractions.
—Dale Whelehan, TIME, 14 Feb. 2025
Understanding Frozen Pipes Frozen pipes often occur when there has been a sudden or surprise drop in temperatures, a thermostat that has not been programmed correctly or is faulty, and poor insulation.
—Kait Hanson, Southern Living, 12 Feb. 2025
See All Example Sentences for thermostat
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Noun
Unbeknownst to Hal, his thermostat tinkering caused the AC unit to short circuit.
—Jack Dunn, Variety, 4 Mar. 2025
Compatibility Nest thermostats are compatible with most HVAC systems, but not all.
—Bestreviews, The Mercury News, 26 Feb. 2025
Break free from constant comfort by micro-fasting—end showers with cold water, lowering the thermostat, or sitting in silence without distractions.
—Dale Whelehan, TIME, 14 Feb. 2025
Understanding Frozen Pipes Frozen pipes often occur when there has been a sudden or surprise drop in temperatures, a thermostat that has not been programmed correctly or is faulty, and poor insulation.
—Kait Hanson, Southern Living, 12 Feb. 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 12 Mar. 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
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