| 1. duality [ Synonyms: dichotomy] | |
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Being twofold; a classification into two opposed parts or subclasses
"the dichotomy between eastern and western culture";
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ثنویت ، دہرا پن ، دہرانے کا عمل۔ |
| 2. duality [ Synonyms: wave-particle duality] | |
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(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
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| 3. duality | |
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(geometry) the interchangeability of the roles of points and planes in the theorems of projective geometry
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