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commutation

Syllabification: (com·mu·ta·tion)
Definition of commutation

noun

  • 1action or the process of commuting a judicial sentence.
  • the conversion of a legal obligation or entitlement into another form, e.g., the replacement of an annuity or series of payments by a single payment.
  • 2the process of commutating an electric current.
  • 3 Mathematics the property of having a commutative relation.

Origin:

late Middle English (in the sense 'exchange, barter', later 'alteration'): from Latin commutatio(n-), from commutare 'exchange, interchange' (see commute). sense 1 dates from the late 16th century

commutation in other Oxford dictionaries

Definition of commutation in the British & World English dictionary
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