pyrostat

noun

py·​ro·​stat

-ˌstat

plural -s

1

: any of various automatic devices that when exposed to heat, light, smoke, or some other manifestation of fire actuate a mechanism for giving a warning or for setting in operation a means of extinguishing such a fire compare thermostat

2

: thermostat

especially : one for use with high temperatures

Word History

Etymology

International Scientific Vocabulary pyr- + -stat

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