subtonic
[suhb-
ton
-ik]
/sʌbˈtɒn ɪk/
noun
1.
the seventh tone of a scale, being the next below the upper
tonic
.
Origin
1825-35;
sub-
+
tonic
British Dictionary definitions for
subtonic
subtonic
/
sʌbˈtɒnɪk
/
noun
1.
(
music
) the seventh degree of a major or minor scale
Also called
leading note