diminished octave en · NOUN
Meanings
- A musical interval in Western music formed by narrowing an octave by a chromatic semitone. It is one chromatic semitone narrower than a perfect octave. In twelve-tone equal temperament, it consists of eleven semitones, spanning eight degrees of the diatonic scale, and is enharmonically equivalent to a major seventh.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| diminished octaves | Number=Plur | lexicographic |