Word.ws English Dictionary

augmented third

augmented third noun: an interval that is equivalent to a major third widened by one chromatic semitone. In twelve-tone equal temperament, this is equivalent to a perfect fourth.

Noun

augmented third (plural augmented thirds)

  1. an interval that is equivalent to a major third widened by one chromatic semitone. In twelve-tone equal temperament, this is equivalent to a perfect fourth.
    • An augmented third on C:
      1

Forms of augmented third

pluralaugmented thirds

Questions about augmented third

What does augmented third mean?
Augmented third means an interval that is equivalent to a major third widened by one chromatic semitone. In twelve-tone equal temperament, this is equivalent to a perfect fourth.
What part of speech is augmented third?
Augmented third is a noun.
What is the plural of augmented third?
The plural of augmented third is augmented thirds.

Words near augmented third in the dictionary

  1. augmented sixth
  2. augmented sixth chord
  3. augmented sixth chords
  4. augmented sixths
  5. augmented sphenocorona
  6. augmented third
  7. augmented thirds
  8. augmented triad
  9. augmented triads
  10. augmented unison
  11. augmented unisons

Source and license

Adapted from Wiktionary: augmented third (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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