diminished fifth
A type of tritone in musical composition formed by narrowing a perfect fifth by one…A type of tritone in musical composition formed by narrowing a perfect fifth by one chromatic semitones. In twelve-tone equal temperament, it spans five diatonic scale degrees like a perfect fifth but narrower by a semitone. The number of diatonic degrees it spans is what distinguishes it from an augmented fourth.
Meaning
1 sensesA type of tritone in musical composition formed by narrowing a perfect fifth by one chromatic semitones. In twelve-tone equal temperament, it spans five diatonic scale degrees like a perfect fifth but narrower by a semitone. The number of diatonic degrees it spans is what distinguishes it from an augmented fourth.
C - G is a perfect fifth, C - G♭ is a diminished fifth, and C - G# is an augmented fifth.
Forms
plural: diminished fifths| Singular | diminished fifth |
|---|---|
| Plural | diminished fifths |
regular