augmented octave

noun

A musical interval of the Western twelve-semitone system consisting of thirteen semitones and spanning eight degrees of the diatonic scale. It is one semitone wider than a perfect octave and enharmonically equivalent to a minor ninth/compound minor second.

“An augmented octave on C: 1”

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Meanings

nounaugmented octave (plural augmented octaves)

plural augmented octaves

  1. entertainmentA musical interval of the Western twelve-semitone system consisting of thirteen semitones and spanning eight degrees of the diatonic scale. It is one semitone wider than a perfect octave and enharmonically equivalent to a minor ninth/compound minor second.

    An augmented octave on C: 1

Cite this entry
APA

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

MLA

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

Chicago

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

Source: augmented octave on Wiktionary, CC BY-SA 4.0.