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hypersensitize

[hahy-per-sen-si-tahyz]
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verb (used with object), hy·per·sen·si·tized, hy·per·sen·si·tiz·ing.
  1. Photography. to treat (a film or emulsion) so as to increase its speed.
  2. Pathology. to strongly heighten a reaction upon reexposure to a particular antigen.
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Also especially British, hy·per·sen·si·tise.

Origin of hypersensitize

First recorded in 1895–1900; hypersensit(ive) + -ize
Related formshy·per·sen·si·ti·za·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for hypersensitize

hypersensitize

hypersensitise

verb
  1. (tr) to treat (a photographic emulsion), usually after manufacture and shortly before exposure, to increase its speed
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Derived Formshypersensitization or hypersensitisation, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012