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radiant heat

noun, Thermodynamics
1.
heat energy transmitted by electromagnetic waves in contrast to heat transmitted by conduction or convection.
Origin
1500-1510
1500-10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for radiant-heat

radiant heat

noun
1.
heat transferred in the form of electromagnetic radiation rather than by conduction or convection; infrared radiation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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8
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