photo-sensitivity

photosensitivity

[foh-tuh-sen-si-tiv-i-tee]
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:
1915–20; photo- + sensitivity

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Medical Dictionary

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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American Heritage
Science Dictionary
photosensitivity   (fō'tō-sěn'sĭ-tĭv'ĭ-tē)  Pronunciation Key 
  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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