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2 definitions found

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 ar·se·nic trioxide /ˌɑrsnɪk, ṇɪk-/ 名詞

From: WordNet (r) 2.0

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