Thermostat definition

thûrmə-stăt
Frequency:
A device that sets off equipment at a certain temperature, as a fire alarm system.
noun
4
2
A device, as in a home heating system, a refrigerator, or an air conditioner, that automatically responds to temperature changes and activates switches controlling the equipment.
noun
3
1
An apparatus for regulating temperature, esp. one that automatically controls a heating or cooling unit.
noun
3
1
A device that automatically controls heating or cooling equipment in such a way as to maintain a temperature at a constant level or within a specified range, generally using a thermometer capable of triggering electrical switches that activate or deactivate the equipment.
4
3
A device that automatically responds to changes in temperature by activating a heating or cooling system to maintain the temperature at a desired setting.
noun
1
0
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Other Word Forms

Noun

Singular:
thermostat
Plural:
thermostats