Quick definitions from WordNet (solarize)
▸ verb: overexpose to sunlight ("Be careful not to solarize the photographic film")
▸ verb: become overepxosed ("The film solarized")
▸ verb: reverse some of the tones of (a negative or print) and introduce pronounced outlines of highlights, by exposing it briefly to light, then washing and redeveloping it
▸ verb: expose to the rays of the sun or affect by exposure to the sun
▸ Also see solarize
▸ verb: overexpose to sunlight ("Be careful not to solarize the photographic film")
▸ verb: become overepxosed ("The film solarized")
▸ verb: reverse some of the tones of (a negative or print) and introduce pronounced outlines of highlights, by exposing it briefly to light, then washing and redeveloping it
▸ verb: expose to the rays of the sun or affect by exposure to the sun
▸ Also see solarize