sesquioxide

11 LETTERS · 4 SYLLABLES · STARTS WITH S

sesquioxide is a valid 11-letter word worth 28 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1E1S1Q10U1I1O1X8I1D2E1

1 + 1 + 1 + 10 + 1 + 1 + 1 + 8 + 1 + 2 + 1 =28 PTS

DOUBLE WORD → 56TRIPLE WORD → 84

MEANING

What does sesquioxide mean?