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Meaning of photosensitivity

pho•to•sen•si•tiv•i•ty

Pronunciation: (fō"tu-sen"si-tiv'i-tē), [key]
— n.
  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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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