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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 tox·in /ˈtɑksən/

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

 tox·in /ˈtɑksən/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 Tox·in, Tox·ine  n.  A poisonous product formed by an organism, such as a pathogenic bacterium, a plant or an animal, usually having a high molecular weight, often a protein or a polysaccharide, but occasionally a low-molecular weight agent such as tetrodotoxin.

From: WordNet (r) 2.0

      n : a poisonous substance produced during the metabolism and
          growth of certain microorganisms and some higher plant
          and animal species