Definitions of antitoxin
  1. noun
    an antibody that can neutralize a specific toxin
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    antivenene, antivenin
    an antitoxin that counteracts the effects of venom from the bite of a snake or insect or other animal
    tetanus antitoxin
    antitoxin given for short-term immunization against tetanus in cases of possible exposure to the tetanus bacillus
    type of:
    any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response
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