Meaning of toxin-antitoxin

tox•in-an•ti•tox•in

Pronunciation: (tok'sin-an"ti-tok'sin, -an"tē-, -an'ti-tok"sin, -an'tē-), [key]
— n. Immunol.
  1. a mixture of toxin and antitoxin, formerly used to induce active immunity against certain diseases, esp. diphtheria.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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