triadic

Meanings

1. 1
   adj

   consisting of three elements or involving a three-place relation

   The theory uses a triadic relation among the speaker, the sign, and its object.

2. 2
   adj

   in music, built from or characterized by three-note chords called triads

   The hymn's triadic harmony gives it a stable tonal foundation.

From triad + -ic. Triad came through Latin trias, triad- from Greek triás, triádos ("group of three"), related to treîs ("three"). The adjective extends the basic three-part sense into music, logic, semiotics, and other fields.

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