Dū'al-ism, n.

n. [Fr. dualisme, from Lat. dualis.] The dividing into two; any thing divided into two; a twofold division; a system which assumes, or is founded on, a double principle; as, a view of man as constituted of two original and independent elements, as matter and spirit; or a system of the universe which accepts two gods, or two original principles, one good and the other evil; or the doctrine that all mankind are divided by the arbitrary decree of God, and in his eternal foreknowledge, into two classes, the elect and the reprobate.