noun Download 🔗Share A classification into two subclasses or opposed parts. Examples : "The student government meeting exposed the duality of opinions on the new dress code: some wanted more freedom, while others preferred stricter rules. " philosophy theory logic Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share (projective geometry) The interchangeability of points and planes. Examples : "In projective geometry, the principle of duality allows us to swap the roles of points and planes in a theorem to create a new, equally valid theorem. " math space Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share The mathematical equivalence of two seemingly different theoretical descriptions of a physical system. Examples : "The physics student was fascinated by the duality of light, understanding that it can be accurately described as both a wave and a particle, depending on how it's measured. " physics math theory system Chat with AIVocabulary GamePractice Reading