1. black body a hypothetical object capable of absorbing all the electromagnetic radiation falling on it
  2. blackbody a hypothetical object capable of absorbing all the electromagnetic radiation falling on it
  3. black bead erect shrub with small if any spines having racemes of white to yellow flowers followed by curved pointed pods and black shiny seeds; West Indies and Florida
  4. black book a list of people who are out of favor
  5. blackwood any of several hardwood trees yielding very dark-colored wood
  6. black belt a black sash worn to show expert standards in the martial arts (judo or karate)
  7. blackboard sheet of slate; for writing with chalk
  8. blackbird common black European thrush
  9. black bass bluish black-striped sea bass of the Atlantic coast of the United States
  10. black bean black-seeded bean of South America; usually dried
  11. black bear brown to black North American bear
  12. black bile a humor that was once believed to be secreted by the kidneys or spleen and to cause sadness and melancholy
  13. black buck common Indian antelope with a dark back and spiral horns
  14. blackberry bramble with sweet edible black or dark purple berries that usually do not separate from the receptacle
  15. black bee dark-colored ill-tempered honeybee supposedly of German origin
  16. black out darken completely
  17. black rot a fungous disease causing darkening and decay of the leaves of fruits and vegetables
  18. blackball vote against; refuse to endorse; refuse to assent
  19. blackbuck common Indian antelope with a dark back and spiral horns
  20. blackened darkened by smoke

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