Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
photosensitive is an adjective meaning "sensitive to visible light". It carries one recorded sense.
sensitive to visible light
“photographic film is light-sensitive”
Definitions, synonyms and semantic relations for photosensitive come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.