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[foh-tuh-sen-si-tiv] /ˌfoʊ təˈsɛn sɪ tɪv/
sensitive to light or similar radiation.
Origin of photosensitive Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for photosensitive
Contemporary Examples
Historical Examples
  • Did quite well with the other drafting equipment, you know, especially the dimensional curve and the photosensitive ink.

    The Big Bounce

    Walter S. Tevis
  • It is only a metaphor to call reactions resulting from the presence of photosensitive substances adaptation.

  • The light causes chemical changes in the eyes (or the photosensitive elements of the skin).

British Dictionary definitions for photosensitive


sensitive to electromagnetic radiation, esp light: a photosensitive photographic film
Derived Forms
photosensitivity, 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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photosensitive in Medicine

photosensitive pho·to·sen·si·tive (fō'tō-sěn'sĭ-tĭv)

  1. Sensitive or responsive to light or other radiant energy.

  2. Abnormally sensitive or reactive to light.

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