commutation

名词 n.
中文释义
英 /kɒmjuːˈteɪʃən/   

英文释义

名词 n.
  1. Substitution of one thing for another; interchange. archaic,countable,formal,uncountable
  2. The process or habit of journeying to and from work on a regular basis; commuting. US,countable,nonstandard,uncountable
    — but there was no city officer to stand forth and ask for it — not even so much as to require frequent trains, low fares, and commutations on that part of the road which ran within the city limits.
  3. Specifically, the substitution of one kind of payment for another, especially a switch to monetary payment from obligations of labour. countable,uncountable
    — 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.
  4. The change to a lesser penalty or punishment by the State countable,uncountable
    — 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.
  5. Substitution, as a means of discriminating between phonemes. countable,uncountable
  6. The reversal of an electric current. countable,uncountable
  7. A passing from one state to another; change; alteration; mutation. countable,obsolete,uncountable
  8. The act of giving one thing for another; barter; exchange. countable,obsolete,uncountable

词形变化

commutations plural commutations plural

词汇关系

衍生词
anticommutation commutation ticket
相关词
commutator

词源

词源 1
From French commutation, from Latin commūtātiōnem, accusative singular of commūtātiō.
词源 2
Etymology tree
English commute
Proto-Indo-European *-tis
Proto-Indo-European *-Hō
Proto-Indo-European *-tiHō
Proto-Italic *-tiō
Latin -tiō
Latin -ātiōlbor.
Old French -ationbor.
Middle English -acioun
English -ation
English commutation
From commute + -ation.
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