abelianPronunciation: /əˈbiːlɪən/Definition of abelian adjective Mathematics (of a group) having members related by a commutative operation (i.e. a*b = b*a). Origin: mid 19th century: from N. H. Abel (see Abel, Niels Henrik) + -ianabelian in other Oxford dictionaries Definition of abelian in the US English dictionary
