Photochemical

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Photochemical \Pho`to*chem"ic*al\, a. [Photo- + chemical.]
     (Chem.)
     Of or pertaining to chemical changes produced by light; as,
     the photochemical changes of the visual purple of the retina.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  photochemical
       adj : of or relating to or produced by the effects of light on
             chemical systems