free variable

13 LETTERS · STARTS WITH F

free variable is a valid 13-letter word worth 20 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
F4R1E1E1V4A1R1I1A1B3L1E1
4 + 1 + 1 + 1 + 0 + 4 + 1 + 1 + 1 + 1 + 3 + 1 + 1 =20 PTS
DOUBLE WORD → 40TRIPLE WORD → 60
MEANING

What does free variable mean?

1