photosensitive


photosensitive
1. An abnormally heightened reactivity of the skin to sunlight. 2. Responding to light, e.g., as by a photocell. [photo + L. sensus, a feeling, fr. sentio, to feel]

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pho·to·sen·si·tive .fōt-ō-'sen(t)-sət-iv, -'sen(t)-stiv adj
1) sensitive or sensitized to the action of radiant energy <\photosensitive paper>
2) being or caused by an abnormal reaction to sunlight <\photosensitive rashes>
pho·to·sen·si·tiv·i·ty -.sen(t)-sə-'tiv-ət-ē n, pl -ties

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pho·to·sen·si·tive (fo″to-senґsĭ-tiv) 1. reacting to light; said of a cell, organ, or organism. 2. having abnormally heightened reactivity of skin or eyes to sunlight.

Medical dictionary. 2011.