A chord made up of three notes based on the interval of a third. Triads can be major, minor, augmented, or diminished.

Triads are often notated with the pitch name of the root of the chord followed by the type of triad. In the figure below, the first triad is a C major chord (also notated as CM, or CMaj). The second triad is a C minor chord (also notated as Cm, or Cmin). The third triad is a C augmented chord (also notated as Caug, or C+). The last triad is a C diminished chord (also notated as Cdim or Cº).

Chord - Triad Types

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Triad Type


Other notationMm+º

More about chords
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