1 triadism | Definition of triadism

triadism

noun
tri·​ad·​ism | \ ˈtrīəˌdizÉ™m, -īˌaËŒd-\
plural -s

Definition of triadism

1 : state of being a triad : consisting of triads : threefold division or constitution the acceptance of triadism as the natural tonalityETC.
2 : a system based on a triad