triadic

[ trahy-ad-ik ]

adjective

1. 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.

2. 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.

Word History and Origins

Origin of triadic¹

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

Example Sentences

Truth would be a triadic relation, but of a different sort from that expounded by Mr. Russell.

From Project Gutenberg

As the total system falls into three parts, so every part of the system follows the triadic law.

From Project Gutenberg

For Kempe's triadic relation in question can be stated, in what he calls its obverse form, in perfectly symmetrical terms.

From Project Gutenberg