red heat
Americannoun
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the temperature of a red-hot body.
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the condition of being red-hot.
noun
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the temperature at which a substance is red-hot
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the state or condition of being red-hot
Etymology
Origin of red heat
First recorded in 1680–90
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
With only the second red heat health alert ever issued in place for tomorrow and Thursday, the Guardian, external warns passengers that many rail companies are asking people to travel only if it's absolutely essential.
From BBC ● Jun. 23, 2026
The UK's Met Office weather agency issued a rare red heat warning -- for only the second time -- for parts of central and south England on Wednesday and Thursday.
From Barron's ● Jun. 23, 2026
Fopiano said she has to turn her truck on throughout the night to power a red heat lamp to keep them warm.
From Seattle Times ● Aug. 21, 2023
To conduct their analysis, the scientists looked at both historical observations and climate models, focusing on the regions under the red heat warning.
From The Verge ● Jul. 29, 2022
Along an unused railway spur, four workmen labored in the shadowy red heat, setting up a platform and steel launchers for the evening fireworks.
From "The Things They Carried" by Tim O'Brien
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
