photosensitivity

[foh-tuh-sen-si-tiv-i-tee]

pho·to·sen·si·tiv·i·ty

[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
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Photosensitivity has a plethora of syllables.
So is cyclotrimethylenetrinitramine. Does it mean:
given to using long words.
a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells.
Collins
World English Dictionary
photosensitive (ˌfəʊtəʊˈsɛnsɪtɪv)
 
adj
sensitive to electromagnetic radiation, esp light: a photosensitive photographic film
 
photosensi'tivity
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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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.
Cite This Source
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.
Cite This Source
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