major interval

14 LETTERS · STARTS WITH M

major interval is a valid 14-letter word worth 25 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

M3A1J8O1R1I1N1T1E1R1V4A1L1

3 + 1 + 8 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 1 =25 PTS

DOUBLE WORD → 50TRIPLE WORD → 75

MEANING

What does major interval mean?