Radiation — Radiation, as in physics, is energy in the form of waves or moving subatomic particles emitted by an atom or other body as it changes from a higher energy state to a lower energy state. Radiation can be classified as ionizing or non ionizing… … Wikipedia
blackbody — [blak′bäd′ē] n. an ideal surface or body that can absorb completely all the radiation striking it … English World dictionary
Blackbody infrared radiative dissociation — Infobox chemical analysis name = Blackbody infrared radiative dissociation caption = acronym = BIRD classification =Mass spectrometry analytes = manufacturers = related = Infrared multiphoton dissociation Collision induced dissociation Electron… … Wikipedia
blackbody — /blak bod ee/, n., pl. blackbodies. Physics. a hypothetical body that absorbs without reflection all of the electromagnetic radiation incident on its surface. Also called perfect radiator. [1700 10] * * * Theoretical surface that absorbs all… … Universalium
blackbody — a body with a surface emissivity of 1. Such a body will emit all of the thermal radiation it can (as described by theory), and will absorb 100% of the thermal radiation striking it. Most physical objects have surface emissivities less than 1 and… … Mechanics glossary
blackbody — noun 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… … Useful english dictionary
blackbody — noun a theoretical body, approximated by a hole in a hollow black sphere, that absorbs all incident electromagnetic radiation and reflects none; it has a characteristic emission … Wiktionary
blackbody — n. object which absorbs all wavelengths of electromagnetic radiation and is also the most efficient emitter of all wavelengths (Physics) … English contemporary dictionary
Blackbody — An ideal substance that absorbs all radiation falling on it, and reflecting nothing … Energy terms
blackbody — black•bod•y [[t]ˈblækˈbɒd i[/t]] n. pl. bod•ies. phs a hypothetical body that absorbs without reflection all of the electromagnetic radiation incident on its surface • Etymology: 1700–10 … From formal English to slang
