open string

11 LETTERS · STARTS WITH O

open string is a valid 11-letter word worth 13 points in Scrabble and 17 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

O1P3E1N1S1T1R1I1N1G2

1 + 3 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 2 =13 PTS

DOUBLE WORD → 26TRIPLE WORD → 39

MEANING

What does open string mean?