Augmented seventh chord
SEVENTH CHORD COMPOSED OF A ROOT, MAJOR THIRD, AUGMENTED FIFTH, AND MINOR SEVENTH; E.G. C–E–G♯–B♭
Augmented minor seventh chord; Seventh augmented fifth chord; Augmented dominant seventh chord; Augmented minor seventh; Seventh augmented fifth
The augmented seventh chord, or seventh augmented fifth chord,Kroepel, Bob (1993). Mel Bay Creative Keyboard's Deluxe Encyclopedia of Piano Chords: A Complete Study of Chords and How to Use Them, p.