Meaning of COMMUTATION in English
n. 1 the act or process of commuting or being commuted (in legal and exchange senses). 2 Electr. the act or process of commutating or being commutated. 3 Math. the reversal of the order of two quantities. commutation ticket US a season ticket.
[ F commutation or L commutatio (as COMMUTE) ]
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012