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[sen-si-tahyz] /ˈsɛn sɪˌtaɪz/
verb (used with object), sensitized, sensitizing.
to render sensitive.
Photography. to render (a film or the like) sensitive to light or other forms of radiant energy.
Immunology. to render sensitive to an antigenic substance.
verb (used without object), sensitized, sensitizing.
to become sensitized.
Also, especially British, sensitise.
1855-60; sensit(ive) + -ize
Related forms
sensitizer, noun
antisensitizer, noun
antisensitizing, adjective
nonsensitized, adjective
nonsensitizing, adjective
oversensitize, verb, oversensitized, oversensitizing.
resensitize, verb (used with object), resensitized, resensitizing.
unsensitize, verb (used with object), unsensitized, unsensitizing. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for sensitized
  • So he learned about poverty and was sensitized to it.
  • Their entire life is sensitized for poetic reverie, for a reverie which knows the price of solitude.
  • Time-and an education-sensitized him to the inequities in education.
  • The first commercial product to incorporate dye-sensitized thin-film solar cells will soon be on the market.
  • Dye-sensitized solar cells are flexible and cheap to make, but they tend to be inefficient at converting light into electricity.
  • Cheap and easy-to-make dye-sensitized solar cells are still in the early stages of commercial production.
  • We were sensitized to the fact that stem cells were going to be touchy territory.
  • Our driving will become sensitized to fake images and eventually real life tragedy will occur.
British Dictionary definitions for sensitized


to make or become sensitive
(transitive) to render (an individual) sensitive to a drug, allergen, etc
(transitive) (photog) to make (a material) sensitive to light or to other actinic radiation, esp to light of a particular colour, by coating it with a photographic emulsion often containing special chemicals, such as dyes
Derived Forms
sensitization, sensitisation, noun
sensitizer, sensitiser, 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
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Word Origin and History for sensitized



1856, in photography; see sensitive + -ize. Of persons from 1880. Related: Sensitized; sensitizing.

Online Etymology Dictionary, © 2010 Douglas Harper
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sensitized in Medicine

sensitize sen·si·tize (sěn'sĭ-tīz')
v. sen·si·tized, sen·si·tiz·ing, sen·si·tiz·es
To make hypersensitive or reactive to an antigen, such as pollen, especially by repeated exposure.

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