nonvisibility

13 LETTERS · 6 SYLLABLES · STARTS WITH N

nonvisibility is a valid 13-letter word worth 21 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1O1N1V4I1S1I1B3I1L1I1T1Y4

1 + 1 + 1 + 4 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 4 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does nonvisibility mean?