tract index

11 LETTERS · STARTS WITH T

tract index is a valid 11-letter word worth 20 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1R1A1C3T1I1N1D2E1X8

1 + 1 + 1 + 3 + 1 + 0 + 1 + 1 + 2 + 1 + 8 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does tract index mean?