duality
UK: djuːˈælɪti | US: duːˈælɪti
n. the quality or state of having two parts or aspects
n. (philosophy/mathematics) a classification into two opposed categories
duality = dual<twofold> + ity<noun suffix>
- dual: From Latin dualis ("related to two"), derived from duo ("two").
- ity: A noun-forming suffix from Latin -itas, indicating a state or condition.
Etymology Origin:
The word "duality" traces back to Latin dualis, reflecting the concept of twoness. The suffix -ity transforms it into an abstract noun, formalizing the idea of a binary state. This structure is common in philosophical and scientific terminology, where dual- roots denote paired opposites (e.g., dualism, duplex).
The duality of light as both particle and wave puzzled early physicists.
Her artwork explores the duality of human nature—good versus evil.
In Eastern philosophy, duality is often seen as an illusion.
The novel’s protagonist struggles with the duality of his identity.
Quantum mechanics challenges classical notions of duality.