dualistic (dual is tik)

[= F.dualist i que (cf. D. G. dualistisch = Dan. Sw. dualistisk ); as du alist + -ic.] 1. Consisting of two; characterized by duality.-2. Of or pertaining to dualism; not monistic. The dualistic doctrine of a separate mind is therefore based upon an artificial and impa ible separation of the two nece arily co-existent sides of thought-life, namely, the plastic and the functional. Maudsley, Body and Will, p. 118. In the Mazdean or Zoroastrian religion we have the best example of a dualistic faith. Faiths of the World , p. 350. duality (du-al'i-ti), n. [ dualitie = F. du alité Pr. dual it at = Sp. dualidad = Pg. dual i dade = It. dual ità , dualita ( t- ) s , du alis , dual: see dual .] The state of being two, or of being divided into two; twofold division or character; twone . This dualitie after deter mi ion is founden in euery creature, be it neuer so single of onhed. Testament of Love , ii. Though indeed they be really divided, yet are they so united as they seem but one, and make rather a duality than two distinct souls. Sir T. Browne, Religio Medici, ii. 5. To the schoolmen the duality of the universe appeared under a different aspect. Huxley , Nineteenth Century, XXI. 192. The principle of duality, in geom ., the principle that in any proposition not involving measure, if for "point" be everywhere substituted "plane," and vice vers a, the latter proposition will be as true as the former. Upon this supposition of a positive curvature, the whole of geometry is far more complete and interesting; the principle of duality , instead of half breaking-down over metric relations, applies to all propositions without exception. W. K. Clifford, Lectures, I. 323.