thiosulphuric acid

18 LETTERS · STARTS WITH T

thiosulphuric acid is a valid 18-letter word worth 30 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1H4I1O1S1U1L1P3H4U1R1I1C3A1C3I1D2

1 + 4 + 1 + 1 + 1 + 1 + 1 + 3 + 4 + 1 + 1 + 1 + 3 + 0 + 1 + 3 + 1 + 2 =30 PTS

DOUBLE WORD → 60TRIPLE WORD → 90

MEANING

What does thiosulphuric acid mean?