Noun: duality d(y)oo'a-li-tee
- The quality or state of having two different or opposite parts or elements
"The duality of mind and body has long been debated";
- dichotomy
- (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
"The double-slit experiment demonstrates the wave-particle duality of light";
- wave-particle duality
- (geometry) the interchangeability of the roles of points and planes in the theorems of projective geometry
"The concept of duality in projective geometry fascinated the students"
Derived forms: dualities
Type of: categorisation [Brit], categorization, classification, exchangeability, fungibility, interchangeability, interchangeableness, property
Encyclopedia: Duality