DICT.TW Dictionary Taiwan

 black·body /ˈblækˈbɑdi/

 blackbody
      n : 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" [syn: black body, full
          radiator]