augmented fourths

A form of augmented fourth — A type of tritone in musical composition. It spans four diatonic scale degrees like a perfect fourth but with an extension of a chromatic semitone. The number of diatonic degrees it spans is what distinguishes it from a diminished fifth.

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Meanings

noun
  1. pluralplural of augmented fourth
Cite this entry
APA

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

MLA

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

Chicago

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

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