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red heat

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noun
  1. the temperature of a red-hot body.
  2. the condition of being red-hot.
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Origin of red heat

First recorded in 1680–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for red heat

red heat

noun
  1. the temperature at which a substance is red-hot
  2. the state or condition of being red-hot
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012