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Definition of tolerance


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tol·er·ance  audio  (tlr-ns) KEY  

NOUN:
  1. The capacity for or the practice of recognizing and respecting the beliefs or practices of others.
    1. Leeway for variation from a standard.
    2. The permissible deviation from a specified value of a structural dimension, often expressed as a percent.
  2. The capacity to endure hardship or pain.
  3. Medicine
    1. Physiological resistance to a poison.
    2. The capacity to absorb a drug continuously or in large doses without adverse effect; diminution in the response to a drug after prolonged use.
    1. Acceptance of a tissue graft or transplant without immunological rejection.
    2. Unresponsiveness to an antigen that normally produces an immunological reaction.
  4. The ability of an organism to resist or survive infection by a parasitic or pathogenic organism.



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The American Heritage® Dictionary of the English Language, Fourth Edition.
Copyright © 2000 by Houghton Mifflin Company.
Published by the Houghton Mifflin Company. All rights reserved.
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