gravitation battery

19 LETTERS · STARTS WITH G

gravitation battery is a valid 19-letter word worth 27 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

G2R1A1V4I1T1A1T1I1O1N1B3A1T1T1E1R1Y4

2 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 4 =27 PTS

DOUBLE WORD → 54TRIPLE WORD → 81

MEANING

What does gravitation battery mean?