diminished sevenths

A form of diminished seventh — A musical interval equivalent to narrowing a minor seventh by one chromatic semitone. In twelve-tone equal temperament, it consists of nine semitones and spans seven degrees of the diatonic scale, is one semitone narrower than a minor seventh, and is enharmonically equivalent to a major sixth.

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Meanings

noun
  1. pluralplural of diminished seventh
Cite this entry
APA

diminished sevenths. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/diminished%20sevenths

MLA

“diminished sevenths.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/diminished%20sevenths. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “diminished sevenths,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/diminished%20sevenths.

Source: diminished sevenths on Wiktionary, CC BY-SA 4.0.