P3H4O1T1O1R1E1S1I1S1T1S1
17 points
PHOTORESISTS is validvalid
PHOTORESIST, [n]
PHOTORESIST, an organic material that polymerizes on exposure to ultraviolet light and in that form resists attack by acids and solvents [n]
PHOTORESIST, [n]
PHOTORESIST, an organic material that polymerizes on exposure to ultraviolet light and in that form resists attack by acids and solvents [n]