SOLARISING
Scrabble letter values: S1O1L1A1R1I1S1I1N1G2 = 11
Definition
SOLARISING is the present participle of SOLARISE.
verb SOLARISE: 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.
Synonyms of SOLARISE: solarize