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Commutation vs Undefined - What's the difference?

commutation | undefined |

As a noun commutation

is (obsolete) a passing from one state to another; change; alteration; mutation.

As an adjective undefined is

lacking a definition or value.

commutation

English

Noun

(en noun)
  • (obsolete) A passing from one state to another; change; alteration; mutation.
  • (obsolete) The act of giving one thing for another; barter; exchange.
  • Substitution of one thing for another; interchange.
  • Specifically, the substitution of one kind of payment for another, especially a switch to monetary payment from obligations of labour.
  • * 1969 , Philip Ziegler, The Black Death , Folio Society 2006, p. 213:
    • Professor Postan has argued in favour of a rapid move towards commutation in the twelfth century which slackened or even went into reverse in the course of the thirteenth.
  • (legal) The change to a lesser penalty or punishment by the State
  • * 1992 , Hilary Mantel, A Place of Greater Safety , Harper Perennial 2007, p. 23:
    • Monsieur the Marquis de Sade [was] now holed up in one of his châteaux while his wife worked for the commutation of a sentence passed on him recently for poisoning and buggery.
  • (linguistics) Substitution, as a means of discriminating between phonemes.
  • (electronics) The reversal of an electric current.

    • undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined