nonconvertibility

17 LETTERS · 7 SYLLABLES · STARTS WITH N

nonconvertibility is a valid 17-letter word worth 27 points in Scrabble and 33 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1O1N1C3O1N1V4E1R1T1I1B3I1L1I1T1Y4

1 + 1 + 1 + 3 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 4 =27 PTS

DOUBLE WORD → 54TRIPLE WORD → 81

MEANING

What does nonconvertibility mean?