extrusive rock

14 LETTERS · STARTS WITH E

extrusive rock is a valid 14-letter word worth 29 points in Scrabble and 32 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

E1X8T1R1U1S1I1V4E1R1O1C3K5

1 + 8 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 0 + 1 + 1 + 3 + 5 =29 PTS

DOUBLE WORD → 58TRIPLE WORD → 87

MEANING

What does extrusive rock mean?