phosphine oxide

15 LETTERS · STARTS WITH P

phosphine oxide is a valid 15-letter word worth 32 points in Scrabble and 33 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3H4O1S1P3H4I1N1E1O1X8I1D2E1

3 + 4 + 1 + 1 + 3 + 4 + 1 + 1 + 1 + 0 + 1 + 8 + 1 + 2 + 1 =32 PTS

DOUBLE WORD → 64TRIPLE WORD → 96

MEANING

What does phosphine oxide mean?