commutative
adjective
Definitions
(of a binary operation) Such that the order in which the operands are taken does not affect their image under the operation.
Example: Addition and multiplication are commutative operations but subtraction and division are not.
(of an algebraic structure) Having a commutative operation.
(of a diagram of morphisms) Such that any two sequences of morphisms with the same initial and final positions compose to the same morphism.
Relating to exchange; interchangeable.