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单词 toxin
释义

WordReference Random House Learner's Dictionary of American English © 2024
tox•in /ˈtɑksɪn/USA pronunciation   n. [countable]
  1. Drugsany poison produced by a living thing.
See -tox-.
WordReference Random House Unabridged Dictionary of American English © 2024
tox•in  (tok′sin),USA pronunciation n. 
  1. any poison produced by an organism, characterized by antigenicity in certain animals and high molecular weight, and including the bacterial toxins that are the causative agents of tetanus, diphtheria, etc., and such plant and animal toxins as ricin and snake venom. Cf. antitoxin, endotoxin, exotoxin, phytotoxin, venom.
  • tox(ic) + -in2 1885–90
    See poison.

Collins Concise English Dictionary © HarperCollins Publishers::
toxin /ˈtɒksɪn/ n
  1. any of various poisonous substances produced by microorganisms that stimulate the production of neutralizing substances (antitoxins) in the body
  2. any other poisonous substance of plant or animal origin
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