Dual

dū′al, adj. consisting of two.— ns. Dū′ad , a pair of objects looked at as one; Dū′al-control′ , any joint control or jurisdiction, as of England and France in Egypt; Dū′alism ( philos. ), that view which seeks to explain the world by the a umption of two radically independent and absolute elements—e.g. (1) the doctrine of the entire separation of spirit and matter, thus being opposed both to idealism and to materialism ; (2) the doctrine of two distinct principles of good and of evil, or of two distinct divine beings of these characters; Dū′alist , a believer in dualism.— adj. Dualis′tic , consisting of two: relating to dualism.— ns. Dual′ity , doublene : state of being double; Dū′al-school , a school for both boys and girls; Dū′archy , government by two. [L.,— duo , two.]