Bdim
Diminished · B – D – F
- BR
- Dm3
- F♭5
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the Bdim chord
The Bdim chord (Diminished) is built from B (the root), D (a minor third) and F (a diminished fifth). Diminished triads are tense and unstable, often used as passing chords between stronger harmonies.