additive group
noun› Any group, or algebraic object that can be…
1
Group theory, Mathematics, Sciences Any (often, but not necessarily, abelian) group whose binary operation is called addition.
2
Algebra, Mathematics, Sciences Any of certain algebraic objects (ring, field or vector space, etc., whose definition includes a commutative operation called addition) regarded as a group under addition.
3
Category theory, Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences Any group object (such as a group functor, group scheme, etc.), whose binary operation is called addition.