blackbody

[ blak-bod-ee ]
/ ˈblækˈbɒd i /

noun, plural black·bod·ies. Physics.

a hypothetical body that absorbs without reflection all of the electromagnetic radiation incident on its surface.
Also called perfect radiator.

Origin of blackbody

First recorded in 1700–10

British Dictionary definitions for black body

black body

noun

physics a hypothetical body that would be capable of absorbing all the electromagnetic radiation falling on it Also called: full radiator

Scientific definitions for black body

blackbody
[ blăkbŏdē ]

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.

Cultural definitions for black body

blackbody

An object that can absorb and send off radiation with complete efficiency — that is, it reflects (see reflection) none of the radiation that falls on it. The higher the object's temperature, the higher the frequency of the radiation it gives off.