Augmented triad

Definition

This chord is formed by a major triad in which the 5th degree is raised by a semitone. This makes the intervals in the triad two major thirds - a major third describes two notes which are five semitones apart e.g. D-F# or G-B.

Major and Augmented triad

Examples

How to construct and use augmented triads

Related concepts

• Dominant 7th (H)
• Diminished 7th (H)
• Added 6th (H)