triadic

[ trahy-ad-ik ]

Phonetic (Standard)IPA

adjective

being or relating to a triad, or group of three, especially a group of three closely related people or things:
Red and blue form two parts of a triadic color scheme that also includes yellow or a neutral color such as black, gray, or white.
Music. being or relating to a chord of three tones, especially one consisting of a particular tone with its major or minor third and its perfect, augmented, or diminished fifth:
We can add to this progression by putting a triadic major chord at the beginning of each bar.

Origin of triadic¹

First recorded in 1780–90; triad ( def ) + -ic ( def )

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