phosphorus pentoxide

20 LETTERS · STARTS WITH P

phosphorus pentoxide is a valid 20-letter word worth 39 points in Scrabble and 42 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3H4O1S1P3H4O1R1U1S1P3E1N1T1O1X8I1D2E1
3 + 4 + 1 + 1 + 3 + 4 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 8 + 1 + 2 + 1 =39 PTS
DOUBLE WORD → 78TRIPLE WORD → 117
MEANING

What does phosphorus pentoxide mean?

1