- the second tone of a diatonic scale, being the next above the tonic.
Origin of supertonic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for supertonic
In the last measure but one, both the supertonic and leading tone should appear.A Treatise on Simple Counterpoint in Forty Lessons
Friedrich J. Lehmann
D minor is the supertonic of C major; therefore C major is related to D minor and may be called its flat 7th.
- the second degree of a major or minor scale
- a key or chord based on this