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 of photosensitivity

1
First recorded in 1915–20; photo- + sensitivity

Words Nearby photosensitivity

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use photosensitivity in a sentence

Scientific definitions for photosensitivity

photosensitivity

[ fō′tō-sĕn′sĭ-tĭvĭ-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.

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