radiant-heat

radiant heat

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

Origin:
1500–10

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
radiant heat
 
n
heat transferred in the form of electromagnetic radiation rather than by conduction or convection; infrared radiation

Collins English Dictionary - Complete & Unabridged 10th Edition
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