radiant heat

noun

: heat transmitted by radiation as contrasted with that transmitted by conduction or convection

Examples of radiant 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.
Flashover typically causes severe burns, particularly on the face, beck and upper limbs, often combined with critical inhalation injures from radiant heat and superheated gases. Kara Fox, CNN Money, 2 Jan. 2026 Likewise, trees and other canopies help reduce radiant heat loss from plants and soil, providing a layer of protection to plants below. Kim Toscano, Southern Living, 11 Dec. 2025 There are traditional Finnish saunas (dry heat/steam), infrared saunas (radiant heat), Turkish baths/hammams (can include a venik ritual where guests are flogged with branches) and Russian banyas (high-humidity steam). Eileen Falkenberg-Hull, MSNBC Newsweek, 26 Nov. 2025 These handy devices use electricity or oil to produce radiant heat, and are common in older homes without central heat or air. Nafeesah Allen, Better Homes & Gardens, 25 Nov. 2025 See All Example Sentences for radiant heat

Word History

First Known Use

1621, in the meaning defined above

Time Traveler
The first known use of radiant heat was in 1621

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Cite this Entry

“Radiant heat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radiant%20heat. Accessed 13 Jan. 2026.

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