Meaning & use
thermostat
A device that automatically controls a heating or cooling system to keep a temperature at a set level.
See it in a sentence
She turned down the thermostat before bed so the house would cool overnight.
A faulty thermostat can make an engine overheat even when the coolant level is fine.
A note on using this word
Usually paired with verbs like 'set' or 'adjust', as in 'set the thermostat to 68 degrees.'
Words with a similar meaning
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