tonic section

13 LETTERS · STARTS WITH T

tonic section is a valid 13-letter word worth 16 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

T1O1N1I1C3S1E1C3T1I1O1N1

1 + 1 + 1 + 1 + 3 + 0 + 1 + 1 + 3 + 1 + 1 + 1 + 1 =16 PTS

DOUBLE WORD → 32TRIPLE WORD → 48

MEANING

What does tonic section mean?