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"
例句
用作名词(n.)
A blackbody radiator will therefore appear black in all inertial frames.一个辐射黑体在一切惯性系中都呈现黑色。
Blackbody radiation always is the result of a succession of emission and absorption processes.黑体辐射总是一系列发射和吸收过程的综合结果。
