Longman Dictionary of Contemporary English homepage

Topic: TEMPERATURE

Date: 1800-1900
Origin: thermo- + -stat 'instrument for keeping something steady' (from Greek -states, from histanei 'to cause to stand')

thermostat

 noun
     
ther‧mo‧stat [countable]
TP an instrument used for keeping a room or a machine at a particular temperature
Definition of thermostat from the Longman Dictionary of Contemporary English within
the topic TEMPERATURE
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The TEMPERATURE
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sub-zero

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