just intonation

15 LETTERS · STARTS WITH J

just intonation is a valid 15-letter word worth 21 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
J8U1S1T1I1N1T1O1N1A1T1I1O1N1
8 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING

What does just intonation mean?

1