pyrosulfuric acid

17 LETTERS · STARTS WITH P

pyrosulfuric acid is a valid 17-letter word worth 29 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3Y4R1O1S1U1L1F4U1R1I1C3A1C3I1D2

3 + 4 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 1 + 1 + 3 + 0 + 1 + 3 + 1 + 2 =29 PTS

DOUBLE WORD → 58TRIPLE WORD → 87

MEANING

What does pyrosulfuric acid mean?