commutation

The definition of commutation is the act of substitution or the substitution.

(noun)

An example of a commutation is ordering French fries instead of whatever potato is listed as coming with the meal.
An example of a commutation is a change in the sentence of a prisoner from death to life in prison without parole.

See commutation in Webster's New World College Dictionary

noun

Origin: ME & OFr commutacion < L commutatio, a changing < commutatus, pp. of commutare, commute

See commutation in American Heritage Dictionary 4

noun

A substitution, exchange, or interchange.
a. The substitution of one kind of payment for another.
b. The payment substituted.
The travel of a commuter.
Electricity
a. Conversion of alternating to unidirectional current.
b. Reversal of current direction.
Law Reduction of a penalty to a less severe one.

Origin:

Origin: Middle English commutacioun

Origin: , from Latin commūtātiō, commūtātiōn-

Origin: , from commūtātus

Origin: , past participle of commūtāre, to alter, exchange; see commute

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