red heat

noun

: the state of being red-hot
also : the temperature at which a substance is red-hot

Examples of red heat in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Amid red heat warnings, the highest level in the country, some outdoor sports events were canceled over the weekend. — Georg Szalai, HollywoodReporter, 22 June 2026 Meteo France placed 54 departments, about half the country, under a red heat wave alert. — Samuel Petrequin, Los Angeles Times, 23 June 2026 More than half of the country’s mainland regions — 58 of 96 — were under the most severe red heat alert, an all-time record. — Taylor Ward, CNN Money, 24 June 2026 In Italy's capital, which remains under a red heat alert, tourists tried to cool off seeking shade near buildings and dunking their heads under public fountains. — ABC News, 27 June 2026 See All Example Sentences for red heat

Word History

First Known Use

1665, in the meaning defined above

Time Traveler
The first known use of red heat was in 1665

Rhymes for red heat

See All Rhymes for red heat

Browse Nearby Words

redheart hickory
red heat
red heath
See all Nearby Words

Cite this Entry

“Red heat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/red%20heat. Accessed 7 Jul. 2026.

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