seventh chord

noun Music.

a chord formed by the superposition of three thirds.

Origin of seventh chord

First recorded in 1905–10

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for seventh chord

seventh chord

noun

music a chord consisting of a triad with a seventh added above the rootSee dominant seventh chord, diminished seventh chord, major seventh chord, minor seventh chord

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