duality
Americannoun
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a dual state or quality.
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Mathematics. a symmetry within a mathematical system such that a theorem remains valid if certain objects, relations, or operations are interchanged, as the interchange of points and lines in a plane in projective geometry.
noun
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the state or quality of being two or in two parts; dichotomy
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physics the principle that a wave-particle duality exists in microphysics in which wave theory and corpuscular theory are complementary. The propagation of electromagnetic radiation is analysed using wave theory but its interaction with matter is described in terms of photons. The condition of particles such as electrons, neutrons, and atoms is described in terms of de Broglie waves
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geometry the interchangeability of the roles of the point and the plane in statements and theorems in projective geometry
Other Word Forms
- nonduality noun
Etymology
Origin of duality
1350–1400; Middle English dualitie < Late Latin duālitās. See dual, -ity
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
That Seu marries the feminine and the spartan in her space feels intentional — a reflection of the dualities that animate her life and work.
From Los Angeles Times
The original, or "old," duality in physics emerged more than a century ago when scientists realized that light and matter can act as both waves and particles.
From Science Daily
Sir Anthony has always understood the duality of being human, and it explains his acting range.
From BBC
Halloween, for all its associations with extremes of terror, is also bound up in the cozy innocence of childhood memories, and to my mind, few movies fit that duality better than “The Fog.”
In “The Bear’s” White, Cooper saw an actor who’d capture Springsteen’s dualities — swagger and fragility, quiet intensity and vulnerability — and who was committed to total immersion.
From Los Angeles Times
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
