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
Words nearby blackbody
Scientific definitions for blackbody
blackbody
[ blăk′bŏd′ē ]
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 blackbody
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.