duality

1. 1

   The quality of containing or comprising two often opposed parts or aspects.countableuncountable

   • the moral duality of certain characters
   • Mother Nature's eternal duality, both life-giving and destructive
2. 2

   The aggregate of two complementary subclasses or parts.countableuncountable

   • philosophical duality
   • The novel explored the duality of good and evil.
3. 3

   The mathematical equivalence of two seemingly different theoretical descriptions of a physical system.countableuncountable

   • wave-particle duality
4. 4

   The interchangeability of points and planes.countableuncountable

syn. dichotomy