sulfur trioxide

15 LETTERS · STARTS WITH S

sulfur trioxide is a valid 15-letter word worth 25 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1U1L1F4U1R1T1R1I1O1X8I1D2E1

1 + 1 + 1 + 4 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 8 + 1 + 2 + 1 =25 PTS

DOUBLE WORD → 50TRIPLE WORD → 75

MEANING

What does sulfur trioxide mean?