ground current

14 LETTERS · STARTS WITH G

ground current is a valid 14-letter word worth 17 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

G2R1O1U1N1D2C3U1R1R1E1N1T1

2 + 1 + 1 + 1 + 1 + 2 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 1 =17 PTS

DOUBLE WORD → 34TRIPLE WORD → 51

MEANING

What does ground current mean?