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blackbody

 - 3 dictionary results

black⋅bod⋅y

[blak-bod-ee]
–noun, plural -bod⋅ies. Physics.
a hypothetical body that absorbs without reflection all of the electromagnetic radiation incident on its surface.
Also called perfect radiator.


Origin:
1700–10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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black·bod·y   (blāk'bŏd'ē)   
n.   pl. black·bod·ies
A theoretically perfect absorber of all incident radiation.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
blackbody   (blāk'bŏd'ē)  Pronunciation Key 
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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