interconvertibility

19 LETTERS · 8 SYLLABLES · STARTS WITH I

interconvertibility is a valid 19-letter word worth 29 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1N1T1E1R1C3O1N1V4E1R1T1I1B3I1L1I1T1Y4

1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 4 =29 PTS

DOUBLE WORD → 58TRIPLE WORD → 87

MEANING

What does interconvertibility mean?