gravity wave

NOUN /grævɪti_weɪv/
12 LETTERS · STARTS WITH G

gravity wave is a valid 12-letter word worth 24 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
G2R1A1V4I1T1Y4W4A1V4E1
2 + 1 + 1 + 4 + 1 + 1 + 4 + 0 + 4 + 1 + 4 + 1 =24 PTS
DOUBLE WORD → 48TRIPLE WORD → 72
MEANING

What does gravity wave mean?

NOUN · 1 SENSE
1

(physics) a wave that is hypothesized to propagate gravity and to travel at the speed of light.