toxin-antitoxin Hear it!

toxin-antitoxin definition

toxin-antitoxin (täk′sin an′ti täk′sin)

noun

a mixture of toxin and antitoxin formerly used for producing active immunity against a specific disease, esp. diphtheria: now superseded by toxoids

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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