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blackbody

   Also found in: Acronyms, Encyclopedia, Wikipedia 0.03 sec.
black·bod·y  (blkbd)
n. pl. black·bod·ies
A theoretically perfect absorber of all incident radiation.
blackbody  (blkbd)
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.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.blackbody - a hypothetical object capable of absorbing all the electromagnetic radiation falling on it; "a black body maintained at a constant temperature is a full radiator at that temperature because the radiation reaching and leaving it must be in equilibrium"
black body, full radiator
natural object - an object occurring naturally; not made by man
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Sample this: Planck getting up in the middle of the night to post a note with the equation for the blackbody spectrum.
FITTING EPITAPH TO EINSTEIN'S LIGHT BOX by Mail Today (New Delhi, India)
Planck's blackbody radiation law, formulated in 1900 by German physicist Max Planck, describes how energy is dissipated, in the form of different wavelengths of radiation, from an idealized non-reflective black object, called a blackbody.
Bringing objects close together can boost radiation heat transfer, ... by Asian News International
If Earthlings were at the center of a bubble, the spectrum of microwave background radiation that came directly to Earth--without reflection--would trace a blackbody radiation curve.
A special place in the universe: scientists propose tests of ... by Cowen, Ron / Science News
 
 
 
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