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photosensitivity

[foh-tuh-sen-si-tiv-i-tee] /ˌfoʊ təˌsɛn sɪˈtɪv ɪ ti/
noun
1.
the quality of being photosensitive.
2.
abnormal sensitivity of the skin to ultraviolet light, usually following exposure to certain oral or topical drugs or to other sensitizing chemicals and resulting in accelerated burning and blistering of the skin.
Origin
1915-1920
1915-20; photo- + sensitivity
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for photosensitivity
  • Equine photosensitivity is generally caused by plant or fungal products, drugs, chlorophyll metabolites or other chemicals.
photosensitivity in Medicine

photosensitivity pho·to·sen·si·tiv·i·ty (fō'tō-sěn'sĭ-tĭv'ĭ-tē)
n.

  1. Sensitivity or responsiveness to light.

  2. An abnormally heightened response, especially of the skin, to sunlight or ultraviolet radiation, caused by certain disorders or chemicals and characterized by a toxic or allergic reaction.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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photosensitivity in Science
photosensitivity
  (fō'tō-sěn'sĭ-tĭv'ĭ-tē)   
  1. Sensitivity or responsiveness to light.

  2. An abnormally heightened response, especially of the skin or eyes, to sunlight or ultraviolet radiation, caused by certain disorders, medications, or chemicals.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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