noun tri·ad·ism \ˈtrīəˌdizəm, -īˌaˌd-\

Definition of triadism



  1. 1 :  state of being a triad :  consisting of triads :  threefold division or constitution the acceptance of triadism as the natural tonality — ETC.

  2. 2 :  a system based on a triad

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a rounded knoll or a ridge of ice

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