photopathy

[ foh-top-uh-thee ]
/ foʊˈtɒp ə θi /

noun

movement of an organism in response to the intensity of light, especially away from the source of light.
any condition or disease produced by the effect of light, especially in excessive amounts.

Origin of photopathy

First recorded in 1895–1900; photo- + -pathy

OTHER WORDS FROM photopathy

pho·to·path·ic [foh-tuh-path-ik] /ˌfoʊ təˈpæθ ɪk/, adjective

Words nearby photopathy

photonic, photonics, photonovel, photonuclear, photooxidation, photopathy, photoperceptive, photoperiod, photoperiodism, photophilic, photophilous