friction factor

15 LETTERS · STARTS WITH F

friction factor is a valid 15-letter word worth 24 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

F4R1I1C3T1I1O1N1F4A1C3T1O1R1

4 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 0 + 4 + 1 + 3 + 1 + 1 + 1 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does friction factor mean?