English Explanatory Dictionary

diminished fifth

English dictionary entry

Meanings

noun
  1. 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.

Word forms

diminished fifth diminished fifths

Synonyms

flatted fifth

Related words

augmented fifth augmented fourth perfect fifth dissonance musical interval tritone
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