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cross-tolerance

[kraws-tol-er-uh ns, kros-]
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noun Physiology.
  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.

Origin of cross-tolerance

First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018