red heat


: 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 There’s also a small red heat indicator that turns white at high temperatures. Katherine Alex Beaven, Travel + Leisure, 3 Apr. 2023 Now suddenly the embers are showing a little red heat again. Heather Landy, Quartz, 2 Oct. 2022 Sixteen out of 18 districts in Portugal are under top-tier red heat alerts; the two remaining are under a yellow or orange alert. Karla Adam, Washington Post, 13 July 2022 An infra-red heat lamp turns on at dusk and off at dawn. Bonnie Blodgett, Twin Cities, 12 Oct. 2019 An image of Herro wearing a red Heat jersey from his childhood went viral during ESPN’s telecast of the NBA draft on Thursday night after it was displayed following his selection by the Heat with the No. David Furones,, 21 June 2019 The drawings are arranged under red heat lamps — the kind that are used to hatch chicken eggs — and the environment is not unlike a stomach, the artist pointed out. Meredith Mendelsohn, New York Times, 10 Apr. 2018 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'red heat.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1665, in the meaning defined above

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

Dictionary Entries Near red heat

Cite this Entry

“Red heat.” Dictionary, Merriam-Webster, Accessed 9 Dec. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!