peroxysulphuric acid

20 LETTERS · STARTS WITH P

peroxysulphuric acid is a valid 20-letter word worth 41 points in Scrabble and 46 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3E1R1O1X8Y4S1U1L1P3H4U1R1I1C3A1C3I1D2

3 + 1 + 1 + 1 + 8 + 4 + 1 + 1 + 1 + 3 + 4 + 1 + 1 + 1 + 3 + 0 + 1 + 3 + 1 + 2 =41 PTS

DOUBLE WORD → 82TRIPLE WORD → 123

MEANING

What does peroxysulphuric acid mean?