noun, plural black·bod·ies. Physics.
a hypothetical body that absorbs without reflection all of the electromagnetic radiation incident on its surface.
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Origin of blackbody
First recorded in 1700–10
Also called perfect radiator.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
physics a hypothetical body that would be capable of absorbing all the electromagnetic radiation falling on itAlso called: full radiator
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
A theoretically perfect absorber and emitter of every frequency of electromagnetic radiation. The radiation emitted by a blackbody is a function only of its temperature.
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