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