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avidin: Meaning and Definition of

av•i•din

Pronunciation: (av'i-din, u-vid'in), [key]
— n. Biochem.
  1. a protein, found in the white of egg, that combines with and prevents the action of biotin, thus injuring the animal that consumes it in excess by producing biotin deficiency.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.