open system

11 LETTERS · STARTS WITH O

open system is a valid 11-letter word worth 17 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

O1P3E1N1S1Y4S1T1E1M3

1 + 3 + 1 + 1 + 0 + 1 + 4 + 1 + 1 + 1 + 3 =17 PTS

DOUBLE WORD → 34TRIPLE WORD → 51

MEANING

What does open system mean?