Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of several enzymes that are produced by botulinum bacteria and induce the paralysis of botulism by interfering with the ability of neurons to release acetylcholine at nerve-muscle junctures. Botulin is used as an antispasmodic and a treatment for wrinkles by paralyzing facial muscles.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun An extremely potent nerve toxin produced by the anaerobic bacteria Clostridium botulinum. Ingesting botulin results in the serious medical condition of botulism.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun potent bacterial toxin produced by the bacterium Clostridium botulinum that causes botulism; can be used as a bioweapon

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin botulus, sausage (a common source of contamination) + –in.]

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