Gbdim chord
The G-flat diminished chord (abbreviated "Gbdim chord") is a triad consisting of the notes G♭, B♭♭, and D♭♭. The chord is formed by lowering the fifth of a G-flat minor chord a half step.
Name
G-flat diminished chord
Synonym
G-flat diminished triad
Notes
G♭ B♭♭ D♭♭
Intervals
1 ♭3 ♭5
Chord symbol
G♭o
Alternative symbols
G♭dim G♭m(b5) G♭mb5
Type
Triad (three-note chord)