from The Century Dictionary.

  • Of or pertaining to a triad; constituting or consisting of a triad or trinity.
  • In chem., trivalent; triatomic.
  • In ancient prosody:
  • Comprising three different rhythms or meters: as, the triadic epiploce.
  • Consisting of pericopes, or groups of systems, each of which contains three unlike systems: as, a triadic poem.
  • In the Gr. Ch., addressed to or in honor of the Trinity: as, a triadic canon.
  • noun A sum of products of three vectors.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective (Chem.) Having the characteristics of a triad.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective of or relating to a triad
  • adjective obsolete trivalent
  • adjective translation studies describing interpreting that involves three parties, i.e., the two clients and the interpreter


Sorry, no etymologies found.


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  • . . . the triadic beginning of π, the secret quadratic nature of the root, and the unnumbered perfection of the circle itself.

    --Umberto Eco, 1988, Foucault's Pendulum, p. 3

    September 29, 2008