friction gear

13 LETTERS · STARTS WITH F

friction gear is a valid 13-letter word worth 18 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

F4R1I1C3T1I1O1N1G2E1A1R1

4 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 0 + 2 + 1 + 1 + 1 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does friction gear mean?