/ Dictionary / Index P photosensitive: Meaning and Definition of Find definitions for: pho•to•sen•si•tive Pronunciation: (fō"tu-sen'si-tiv), [key] — adj. sensitive to light or similar radiation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: photosensitive (Thesaurus) Photo-Secession photosensitivity Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language