commutative
adjective /kəˈmjuːtətɪv/
/kəˈmjuːtətɪv/
(mathematics- (of a calculation
) giving the same result whatever the order in which the quantities are shown计算 交换的(排列次序不影响结果) 词源mid 16th cent. (in the sense ‘relating to transactions between people’): from French commutatif, -ive or medieval Latin commutativus, from commutat- ‘exchanged’, from the verb commutare from com- ‘altogether’ + mutare ‘to change’.