[ foh-tuh-sen-si-tahyz ]
/ ˌfoʊ təˈsɛn sɪˌtaɪz /

verb (used with object), pho·to·sen·si·tized, pho·to·sen·si·tiz·ing.

to make (a material) photosensitive, as by the application of a photosensitive emulsion.


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Also especially British, pho·to·sen·si·tise.

Origin of photosensitize

First recorded in 1920–25; photosensit(ive) + -ize

OTHER WORDS FROM photosensitize

pho·to·sen·si·ti·za·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for photosensitize



/ (ˌfəʊtəʊˈsɛnsɪˌtaɪz) /


(tr) to make (an organism or substance) photosensitive

Derived forms of photosensitize

photosensitization or photosensitisation, 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

Medical definitions for photosensitize

[ fō′tō-sĕnsĭ-tīz′ ]


To make an organism, cell, or substance photosensitive.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.