dual number
Definition from Wiktionary, the free dictionary
English[edit]
Noun[edit]
dual number (plural dual numbers)
 (grammar) Grammatical number denoting a quantity of exactly two.
 (mathematics) An element of the algebra of dual numbers, which includes the real numbers and an element ε which satisfies ε² = 0.
Translations[edit]
Grammatical number denoting a quantity of exactly two — see dual
mathematics: an element of the algebra of dual numbers

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