AskDefine | Define duality

Dictionary Definition

duality

Noun

1 being twofold; a classification into two opposed parts or subclasses; "the dichotomy between eastern and western culture" [syn: dichotomy]
2 (physics) the property of matter and electromagnetic radiation that is characterized by the fact that some properties can be explained best by wave theory and others by particle theory [syn: wave-particle duality]
3 (geometry) the interchangeability of the roles of points and planes in the theorems of projective geometry

User Contributed Dictionary

English

Noun

  1. A classification into two subclasses or opposed parts.
  2. (projective geometry) The interchangeability of points and planes.
  3. , The mathematical equivalence of two seemingly different theoretical descriptions of a physical system

Synonyms

Derived terms

Related terms

Translations

a classification into two subclasses or opposed parts
the interchangeability of points and planes
the mathematical equivalence of two seemingly different theoretical descriptions of a physical system

Extensive Definition

Duality may refer to something dual:
Philosophy, Logic, & Psychology
Mathematics
Science
Film
Music
  • Duality, an album by Lisa Gerrard and Pieter Bourke
  • Duality, a 2004 single & Grammy-nominated song by metal band Slipknot
  • Duality, a 2005 album by the rock band Ra
  • Duality, a 2007 single from alternative rock/punk rock band Bayside
Games
Other
duality in German: Dualität
duality in French: Dualité
duality in Dutch: Dualiteit
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