nonadditivity

13 LETTERS · STARTS WITH N

nonadditivity is a valid 13-letter word worth 21 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
N1O1N1A1D2D2I1T1I1V4I1T1Y4
1 + 1 + 1 + 1 + 2 + 2 + 1 + 1 + 1 + 4 + 1 + 1 + 4 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING

What does nonadditivity mean?

1

A valid word accepted in tournament Scrabble and Words With Friends play.