AskDefine | Define commutation

Dictionary Definition



1 the travel of a commuter [syn: commuting]
2 a warrant substituting a lesser punishment for a greater one
3 (law) the reduction in severity of a punishment imposed by law [syn: re-sentencing]
4 the act of putting one thing or person in the place of another: "he sent Smith in for Jones but the substitution came too late to help" [syn: substitution, exchange]

User Contributed Dictionary



  1. A passing from one state to another; change; alteration; mutation.
  2. The act of giving one thing for another; barter; exchange.
  3. The change of a penalty or punishment by the pardoning power of the State; as, the commutation of a sentence of death to banishment or imprisonment.
  4. 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.

Extensive Definition

Commute or Commutation may refer to:
  • Commuting, the process of travelling between a place of residence and a place of work
  • Commutativity, a property of a mathematical operation
  • Commutation of sentence, a reduction in severity of punishment
  • Commutation (neurophysiology), how certain neural circuits in the brain exhibit noncommutativity
  • Tonggeun, a class of train in Korea which translates to "Commuter"
  • Commutation, a synonym for switching in computer networking and telecommunications
  • Commutation, the action of applying currents or voltages to the proper electrical motor phases so as to produce optimum motor torque at a motor's shaft. See Commutator (electric).
  • Commutation, where a member of a pension scheme gives up part or their entire pension in exchange for an immediate lump sum payment. It is also known as a cash option.
commutation in Czech: Komutace
commutation in German: Kommutation
commutation in French: Commutation

Synonyms, Antonyms and Related Words

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