Chord · Triads
Adim — A Diminished
Adim is the A diminished chord. It is built on the root A with minor 3rd (C) and diminished 5th (E♭) above it — the formula 1 ♭3 ♭5, sounding the notes A C E♭. On the piano it sits at A (octave 3) and above in the library's voicing; the same 3 notes in any octave are still Adim.
- Root
- A
- Quality
- Diminished
- Formula
- 1 ♭3 ♭5
- Notes
- A C E♭
On the keyboard
Right-hand fingering for this voicing: 1–3–5 (1 is the thumb).
The notes of Adim
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | A | root | A3 |
| ♭3 | C | minor 3rd | C4 |
| ♭5 | E♭ | diminished 5th | E♭4 |
Other triads on A
Diminished chords on every root
Part of the chord reference. See also the scales and the keys.