enharmonic interval

19 LETTERS · STARTS WITH E

enharmonic interval is a valid 19-letter word worth 28 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

E1N1H4A1R1M3O1N1I1C3I1N1T1E1R1V4A1L1

1 + 1 + 4 + 1 + 1 + 3 + 1 + 1 + 1 + 3 + 0 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 1 =28 PTS

DOUBLE WORD → 56TRIPLE WORD → 84

MEANING

What does enharmonic interval mean?