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
source: WordNet 3.0
become overexposed
The film solarized.
source: WordNet 3.0
overexpose to sunlight
Be careful not to solarize the photographic film.
source: WordNet 3.0
expose to the rays of the sun or affect by exposure to the sun
Insolated paper may turn yellow and crumble. These herbs suffer when sunned.