Ddim7 chord
The D diminished seventh chord (abbreviated "Ddim7 chord") is a four-note chord consisting of the notes D, F, A♭, and C♭. The chord is formed by adding a diminished seventh to a D diminished chord.
Name
D diminished seventh chord
Synonym
D fully diminished chord
Notes
D F A♭ C♭
Intervals
1 ♭3 ♭5 ♭♭7
Chord symbol
Do7
Alternative symbols
Ddim7 Ddim Do
Type
Tetrad (four-note chord)