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Abelian

[uh-bee-lee-uh n, uh-beel-yuh n] /əˈbi li ən, əˈbil yən/
adjective, Mathematics
1.
of or pertaining to Niels Henrik Abel or his theorems.
2.
pertaining to an algebraic system in which an operation is commutative:
an Abelian group.
3.
pertaining to such an operation.
Origin
1905-1910
1905-10; Abel + -ian
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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