Definition of triadic in US English:

triadic

adjective

  • 1Relating to or comprising a set of three related people or things.

    ‘structures like this triadic group have been found in other early Mayan cities’
    1. 1.1 Relating to or creating a chord of three musical notes consisting of a given note with the third and fifth above it.
      ‘triadic motives are associated with the music for the hunt’

Pronunciation

triadic

/trīˈadik//traɪˈædɪk/