the toxin formed by botulinus and causing botulism.
Origin of botulin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a potent toxin produced by the bacterium Clostridium botulinum in imperfectly preserved food, etc, causing botulism
Word Origin for botulin
C19: from botulinus
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