ninth chord


Definition of ninth chord

: a seventh chord with the ninth added : a chord that has an interval (see interval sense 2c)of a ninth from its lowest to highest note when in root position

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First Known Use of ninth chord

1889, in the meaning defined above

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The first known use of ninth chord was in 1889

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Cite this Entry

“Ninth chord.” Dictionary, Merriam-Webster, Accessed 1 Dec. 2020.

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