nonvanishing

12 LETTERS · 4 SYLLABLES · STARTS WITH N

nonvanishing is a valid 12-letter word worth 19 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1O1N1V4A1N1I1S1H4I1N1G2

1 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 4 + 1 + 1 + 2 =19 PTS

DOUBLE WORD → 38TRIPLE WORD → 57

MEANING

What does nonvanishing mean?