photopathy
/fəʊˈtɒpəθi/Biology rare
noun
Originally: the tendency of an organism to move either into or away from regions of relatively intense illumination (as distinct from a response specifically to the direction of the light rays). In later use: a tendency to move out of more brightly lit areas (negative phototaxis); intolerance of light.
Origin
Late 19th century. From photo- + -pathy Compare photophil.
- photoionize
- photoisomer
- photoisomeric
- photoisomerisation
- photoisomerise
- photoisomerism
- photoisomerization
- photoisomerize
- photojournalism
- photojournalist
- photojournalistic
- photokeratitis
- photokinesis
- photokinetic
- photolabile
- photolability
- photo librarian
- photo library
- photolith
- photolitho
- photolithograph
- photolithographer
- photolithographic
- photolithographically
- photolithography