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[sen-si-tuh-zey-shuh n] /ˌsɛn sɪ təˈzeɪ ʃən/
the state or process of being sensitized.
Psychology. the process of becoming susceptible to a given stimulus that previously had no effect or significance.
  1. a state or condition in which a previously encountered foreign substance triggers an immune reaction.
  2. an immunologic state or condition that is evidenced by the acquired ability of a cell or individual to detect the presence of a foreign substance upon reexposure to the substance and to react immunologically.
Origin of sensitization
1885-90; sensitize + -ation
Related forms
nonsensitization, noun
resensitization, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for sensitization
Historical Examples
  • What if gout should prove to be a sensitization or anaphylaxis to uric acid that does not exist in the non-gouty?

    The Treatment of Hay Fever George Frederick Laidlaw
  • Various skin rashes and eruptions are likewise associated with sensitization to certain foods.

    Food Poisoning Edwin Oakes Jordan
  • Call the old tubercular diathesis a sensitization and you have made it the most modern of modern discoveries.

    The Treatment of Hay Fever George Frederick Laidlaw
Word Origin and History for sensitization

1862, originally in photography, noun of action from sensitize.

Online Etymology Dictionary, © 2010 Douglas Harper
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sensitization in Medicine

sensitization sen·si·ti·za·tion (sěn'sĭ-tĭ-zā'shən)
The act or process of inducing an acquired sensitivity or allergy.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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