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Synonyms

thermal radiation

American  

noun

Thermodynamics.

  1. electromagnetic radiation emitted by all matter above a temperature of absolute zero because of the thermal motion of atomic particles.

Etymology

Origin of thermal radiation

First recorded in 1930–35

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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