augmented seventh

noun

an interval that is equivalent to widening a major seventh by one chromatic semitone. In twelve-tone equal temperament, it is equivalent to an octave.

“An augmented seventh on C: 1”

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounaugmented seventh (plural augmented sevenths)

plural augmented sevenths

  1. entertainmentan interval that is equivalent to widening a major seventh by one chromatic semitone. In twelve-tone equal temperament, it is equivalent to an octave.

    An augmented seventh on C: 1

Cite this entry
APA

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

MLA

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

Chicago

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

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