[ˈdjuːəlɪz(ə)m], (Noun)

Definitions:
- the division of something conceptually into two opposed or contrasted aspects, or the state of being so divided
(e.g: a dualism between man and nature)

- the quality or condition of being dual; duality


Phrases:

Origin:
late 18th century: from dual, on the pattern of French dualisme