augmented fifth

noun

A musical interval made by widening a perfect fifth by one chromatic semitone. In twelve-tone equal temperament, it consists of eight semitones, spans five degrees of the diatonic scale, and is enharmonically equivalent to a minor sixth.

“An augmented fifth on C 1”

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Meanings

nounaugmented fifth (plural augmented fifths)

plural augmented fifths

  1. entertainmentA musical interval made by widening a perfect fifth by one chromatic semitone. In twelve-tone equal temperament, it consists of eight semitones, spans five degrees of the diatonic scale, and is enharmonically equivalent to a minor sixth.

    An augmented fifth on C 1

Translations

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  • ylinouseva kvarttiTranslations
Cite this entry
APA

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

MLA

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

Chicago

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

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