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1 definition found
 for arsenic trioxide
From WordNet (r) 3.0 (2006) :

  arsenic trioxide
      n 1: a white powdered poisonous trioxide of arsenic; used in
           manufacturing glass and as a pesticide (rat poison) and
           weed killer [syn: arsenic, arsenic trioxide, arsenous
           anhydride, arsenous oxide, white arsenic, ratsbane]

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