noun
Abelian group; commutative group
A group in which the operation is commutative. Used in abstract algebra.
整数全体の集合は加法に関してアーベル群をなす。
The set of all integers forms an Abelian group under addition.
General term for a group in mathematics; アーベル群 is a specific type where the operation is commutative.
From the name of mathematician Niels Henrik Abel (アーベル) + 群 (group).