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1. An automatic sensing device that activates an alarm or extinguisher in case of fire.
2. A high-temperature thermostat.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (General Physics) a device that activates an alarm or extinguisher in the event of a fire
2. (General Physics) a thermostat for use at high temperatures
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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|Noun||1.||pyrostat - a thermostat that operates at very high temperatures|
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