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

“Window panes will burst readily under radiant heat and that’s a very common source of entry for embers,” said Syphard, who recommends double-pane windows, along with fine-mesh screens on vents.

From Los Angeles Times • Feb. 6, 2025

Keep in mind that the placement of insulation is vital to ensure all the heat produced by electric coils or radiant heat tubing is directed into the living space.

From Seattle Times • Jan. 25, 2024

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

Bolometer, bō-lom′e-tėr, n. an instrument for measuring minute amounts of radiant heat.

From Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) by Various