Meaning of COMMUTATION in English

COMMUTATION

( n. )

A substitution, as of a less thing for a greater, esp. a substitution of one form of payment for another, or one payment for many, or a specific sum of money for conditional payments or allowances; as, commutation of tithes; commutation of fares; commutation of copyright; commutation of rations.

Webster's Revised Unabridged English Dictionary.      Пересмотренный полный словарь английского языка Webster.