diminished sixth
musical interval of seven semitones spanning six staff positions, enharmonically equivalent to the perfect fifth
en-US/dɪˈmɪnɪʃt ˈsɪksθ/
en-GB/dɪˈmɪnɪʃt ˈsɪksθ/
musical interval of seven semitones spanning six staff positions, enharmonically equivalent to the perfect fifth