Meaning of DUALITY in English

DUALITY

d(y)üˈaləd.ē, -ətē, -i noun

( -es )

Etymology: Middle English dualitie, from Middle French dualité, from Late Latin dualitat-, dualitas, from Latin dualis dual + -itat-, -itas -ity — more at dual

: the quality or state of being dual or of being made up of two elements or aspects : doubleness , dichotomy

he was amused by the eternal duality of truth and fiction — John Fountain

a deep duality was introduced between morality and the life of impulse — Bertrand Russell

— see principle of duality

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.