sulphur trioxide

16 LETTERS · STARTS WITH S

sulphur trioxide is a valid 16-letter word worth 28 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1U1L1P3H4U1R1T1R1I1O1X8I1D2E1

1 + 1 + 1 + 3 + 4 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 8 + 1 + 2 + 1 =28 PTS

DOUBLE WORD → 56TRIPLE WORD → 84

MEANING

What does sulphur trioxide mean?