Meaning of COMMUTATIVE in English

COMMUTATIVE

[com.mu.ta.tive] adj (1612) 1: of, relating to, or showing commutation

2: of, relating to, having, or being the property that a given mathematical operation and set have when the result obtained using any two elements of the set with the operation does not differ with the order in which the elements are used "a ~ group" "addition of the positive integers is ~"

Merriam-Webster English vocab.      Английский словарь Merriam Webster.