1. Adjective.  (mathematics, dated) (alternative spelling of, abelian) .
  2. Noun.  (Roman Catholicism, historical) A member of a sect in fourth-century Africa mentioned by St. Augustine, who states that they married but lived in continence after the manner, as they claimed, of Abel.
  3. Adjective.  (mathematics) Having a commutative defining operation.

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This entry was last updated on RefTopia from its source on 3/20/2012.