ellipsoidal basalt

18 LETTERS · STARTS WITH E

ellipsoidal basalt is a valid 18-letter word worth 22 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

E1L1L1I1P3S1O1I1D2A1L1B3A1S1A1L1T1

1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 2 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 =22 PTS

DOUBLE WORD → 44TRIPLE WORD → 66

MEANING

What does ellipsoidal basalt mean?