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blackbody

   Also found in: Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.04 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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By demonstrating that that relic energy exactly fits a pattern known as a blackbody spectrum, the satellite's data bore out a crucial prediction by supporters of the Big Bang scenario.
Nobel prizes recognize things great and small: awards focus on birth ... by Science News
Designed with a patented automatic emissivity compensation system (AECS) that creates its own blackbody that provides emissivity-free temperature readings.
Temperature sensors, monitors, controls by Plastics Technology
The radiant source for the calibration is a 25 mm diameter dual-cavity variable temperature blackbody (VTBB) mounted on a computer-controlled horizontal translation stage.
A summary of heat-flux sensor calibration data by DeWitt, D.P. / Journal of Research of the National Institute of Standards and Technology
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