duality

noun

(geometry) the interchangeability of the roles of points and planes in the theorems of projective geometry

(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

being twofold

Roots

duodu- · Latin · two

Synonyms & related words for duality

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Words related to duality

Explore words related to duality — words associated with it, words that go with it, and its nearest matches in meaning. Related words include dichotomy, twoness, dualism, dichotomist, dualistic, dualistically, tetrachotomy, trichotomy. Click any word to make it the center of the map and keep exploring the web of connections.

Where does duality come from?

The word duality breaks down into one root of Latin origin: the root du-, from Latin duo (“two”). Explore each root to see other English words built from the same source.