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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
First recorded in 1885-90; sensitize + -ation
Related forms
nonsensitization, noun
resensitization, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for sensitization
Historical Examples
  • 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
  • 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
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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