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WordReference Random House Learner's Dictionary of American English © 2024com•mu•ta•tion /ˌkɑmyəˈteɪʃən/USA pronunciation n. - [countable] the changing of a prison sentence or other penalty to one less severe.
- the act of commuting, as to and from work:[uncountable]I spend three hours a day in commutation.
See -mut-. WordReference Random House Unabridged Dictionary of American English © 2024com•mu•ta•tion (kom′yə tā′shən),USA pronunciation n. - the act of substituting one thing for another;
substitution;
exchange. - the changing of a prison sentence or other penalty to another less severe.
- the act of commuting, as to and from a place of work.
- the substitution of one kind of payment for another.
- Electricitythe act or process of commutating.
- LinguisticsAlso called commuta′tion test′. the technique, esp. in phonological analysis, of substituting one linguistic item for another while keeping the surrounding elements constant, used as a means of determining the constituent units in a sequence and their contrasts with other units.
- Latin commūtātiōn- (stem of commutātiō) change. See commute, -ation
- late Middle English commutacioun 1400–50
Collins Concise English Dictionary © HarperCollins Publishers:: commutation /ˌkɒmjʊˈteɪʃən/ n - a substitution or exchange
- the replacement of one method of payment by another
- the reduction in severity of a penalty imposed by law
- the process of commutating an electric current
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