Diminished-seventh Definition
noun
(music) A musical interval of the Western twelve-semitone system consisting of nine semitones and spanning seven degrees of the diatonic scale. It is one semitone narrower than a minor seventh and enharmonically equivalent to a major sixth.
Wiktionary
Other Word Forms of Diminished-seventh
Noun
Singular:
diminished-seventh
Plural:
diminished-sevenths
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