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1. 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"; "a blackbody maintained at a constant temperature is a full radiator at that temperature because the radiation reaching and leaving it must be in equilibrium";
   - black body, blackbody

Derived forms: full radiators

Type of: natural object