photonegative

13 LETTERS · 5 SYLLABLES · STARTS WITH P

photonegative is a valid 13-letter word worth 22 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3H4O1T1O1N1E1G2A1T1I1V4E1

3 + 4 + 1 + 1 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 4 + 1 =22 PTS

DOUBLE WORD → 44TRIPLE WORD → 66

MEANING

What does photonegative mean?