solarise

verb

1. 1

   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

2. 2

   overexpose to sunlight

   be careful not to solarize the photographic film

3. 3

   become overexposed

   The film solarized

4. 4

   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