obsidian

NOUN /əb'sɪdiən/
8 LETTERS · 4 SYLLABLES · STARTS WITH O

obsidian is a valid 8-letter word worth 11 points in Scrabble and 13 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
O1B3S1I1D2I1A1N1
1 + 3 + 1 + 1 + 2 + 1 + 1 + 1 =11 PTS
DOUBLE WORD → 22TRIPLE WORD → 33
MEANING

What does obsidian mean?

NOUN · 1 SENSE
1

Acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces.