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Meaning of cross-tolerance

cross-tol•er•ance

Pronunciation: (krôs'tol'ur-uns, kros'-), [key]
— n. Physiol.
  1. the resistance to one or more effects of a substance because of tolerance to a pharmacologically similar substance: a cross-tolerance of some alcoholics to anesthetics.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.