nonheritable

ADJECTIVE
12 LETTERS · 5 SYLLABLES · STARTS WITH N

nonheritable is a valid 12-letter word worth 17 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
N1O1N1H4E1R1I1T1A1B3L1E1
1 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 =17 PTS
DOUBLE WORD → 34TRIPLE WORD → 51
MEANING

What does nonheritable mean?