radiant heat

American  

noun

Thermodynamics.

1. heat energy transmitted by electromagnetic waves in contrast to heat transmitted by conduction or convection.

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radiant heat British  

noun

1. heat transferred in the form of electromagnetic radiation rather than by conduction or convection; infrared radiation

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Etymology

Origin of radiant heat

First recorded in 1500–10

Example Sentences

And what we’ve seen with the science is once you get over 30 feet of separation between structures, you have much less concern about radiant heat as a factor in causing urban conflagrations.

From Los Angeles Times • Jan. 30, 2025

The radiant heat installer and electrician were happy.

From Seattle Times • Dec. 25, 2023

The researchers investigated the complex interplay between the transfer of radiant heat and the thermochemical reaction.

From Science Daily • Oct. 27, 2023

Four fireplaces, beamed ceilings, radiant heat, open floor plan, designer kitchen with Viking appliances plus large window with desert views; 3,733 square feet.

From Washington Times • Oct. 26, 2023

"Smaller stars have to manufacture the radiant heat which they emit, living from hand to mouth; the giant stars merely leak radiant heat from their store."

From Astronomy: The Science of the Heavenly Bodies by Todd, David Peck