edge effect

11 LETTERS · STARTS WITH E

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

SCRABBLE WORDS WITH FRIENDS

E1D2G2E1E1F4F4E1C3T1

1 + 2 + 2 + 1 + 0 + 1 + 4 + 4 + 1 + 3 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does edge effect mean?