noun
black-body radiation
Physics term for the electromagnetic radiation emitted by a perfect black body in thermal equilibrium.
黒体放射のスペクトルは温度だけで決まる。
The spectrum of black-body radiation is determined solely by temperature.
黒体 is the idealized physical body that absorbs all incident radiation; 黒体放射 is the radiation it emits.
Compound of 黒体 (black body) and 放射 (radiation), a direct translation of the English physics term.