Gdim chord
The G diminished chord (abbreviated "Gdim chord") is a triad consisting of the notes G, B♭, and D♭. The chord is formed by lowering the fifth of a G minor chord a half step.
Name
G diminished chord
Synonym
G diminished triad
Notes
G B♭ D♭
Intervals
1 ♭3 ♭5
Chord symbol
Go
Alternative symbols
Gdim Gm(b5) Gmb5
Type
triad (three-note chord)