Dualism

[doo-uh-liz-uh m, dyoo-] /ˈdu əˌlɪz əm, ˈdyu-/

noun
1.
the state of being dual or consisting of two parts; division into two.
2.
Philosophy.

3.
Theology.

/ˈdjuːəˌlɪzəm/
noun
1.
the state of being twofold or double
2.
(philosophy) the doctrine, as opposed to idealism and materialism, that reality consists of two basic types of substance usually taken to be mind and matter or two basic types of entity, mental and physical Compare monism
3.

1755 as a term in philosophy, from French dualisme (1754); also used in theological senses; see dual + -ism.

dualism du·al·ism (dōō’ə-lĭz’əm, dyōō’-)
n.

In philosophy and theology, any system that explains phenomena by two opposing principles. Many philosophers hold to a dualism of mind and matter, or mind and body. For many theologians, the two principles are those of good and evil.

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Dualistic
[doo-uh-lis-tik, dyoo-] /ˌdu əˈlɪs tɪk, ˌdyu-/ adjective 1. of, relating to, or of the nature of . 2. ; twofold. adj. 1801, from stem of dualism + -istic.
Dualistically
[doo-uh-lis-tik, dyoo-] /ˌdu əˈlɪs tɪk, ˌdyu-/ adjective 1. of, relating to, or of the nature of . 2. ; twofold. adj. 1801, from stem of dualism + -istic.
Duality
[doo-al-i-tee, dyoo-] /duˈæl ɪ ti, dyu-/ noun 1. a state or quality. 2. Mathematics. a symmetry within a mathematical system such that a theorem remains valid if certain objects, relations, or operations are interchanged, as the interchange of points and lines in a plane in projective geometry. /djuːˈælɪtɪ/ noun (pl) -ties 1. the state or […]

Duality-principle
noun, Mathematics. 1. the principle that a mathematical duality exists under certain conditions.
Dualization
[doo-uh-lahyz, dyoo-] /ˈdu əˌlaɪz, ˈdyu-/ verb (used with object), dualized, dualizing. 1. to make . 2. to regard as dual.