C minor ninth chord

Cm9 chord for piano with keyboard diagram.
Explanation: The C minor ninth is a five note chord. For practical reasons the chord is normally played with omitted notes and/or inverted. The chord is often abbreviated as Cm9 (or alternatively Cmin9).
Theory: The Cm9 chord is constructed with a root, a minor third, a perfect fifth, a minor seventh and a major ninth.

Cm9

Cm9 piano chord
Notes: C - Eb - G - Bb - D

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C chord categories

C Cm C7 Cm7 Cmaj7 C6 Cm6 C6/9 C5 C9 Cm9 Cmaj9 C11 C13 Cadd C7-5 C7+5 Csus Cdim Caug