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单词 derivation
释义

WordReference Random House Learner's Dictionary of American English © 2024
der•i•va•tion /ˌdɛrəˈveɪʃən/USA pronunciation   n. [uncountable]
  1. the act of deriving or the state of being derived:the derivation of new plastics from chemicals.
  2. source;
    origin:a dance of German derivation.
  3. Grammarthe process of adding a prefix or suffix to the base form of a word, thereby forming a new word:The process of derivation forms the word assignment, a noun, from assign, a verb.Compare inflection.

WordReference Random House Unabridged Dictionary of American English © 2024
der•i•va•tion  (der′ə vāshən),USA pronunciation n. 
  1. the act or fact of deriving or of being derived.
  2. the process of deriving.
  3. the source from which something is derived;
    origin.
  4. something that is or has been derived;
    derivative.
  5. Mathematics
    • development of a theorem.
    • differentiation.
  6. Grammar
    • Grammarthe process or device of adding affixes to or changing the shape of a base, thereby assigning the result to a form class that may undergo further inflection or participate in different syntactic constructions, as in forming service from serve, song from sing, and hardness from hard (contrasted with inflection).
    • Grammarthe systematic description of such processes in a given language.
  7. Linguistics
    • Linguisticsa set of forms, including the initial form, intermediate forms, and final form, showing the successive stages in the generation of a sentence as the rules of a generative grammar are applied to it.
    • Linguisticsthe process by which such a set of forms is derived.
  • Latin dērīvātiōn- (stem of dērīvātiō) a turning away, equivalent. to dērīvāt(us) (past participle of dērīvāre; see derive, -ate1) + -iōn- -ion
  • late Middle English derivacioun 1375–1425
der′i•vation•al, adj. 
der′i•vation•al•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::
derivation /ˌdɛrɪˈveɪʃən/ n
  1. the act of deriving or state of being derived
  2. the source, origin, or descent of something, such as a word
  3. something derived; a derivative
  4. the process of deducing a mathematical theorem, formula, etc, as a necessary consequence of a set of accepted statements
  5. this sequence of statements
  6. the operation of finding a derivative

ˌderiˈvational adj
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更新时间:2024/9/20 9:21:57