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单词 extraction
释义

WordReference Random House Learner's Dictionary of American English © 2024
ex•trac•tion /ɪkˈstrækʃən/USA pronunciation   n. 
  1. [uncountable* countable] an act or instance of extracting something.
  2. descent;
    ancestry:[uncountable]of Greek extraction.
  3. [countable] something extracted;
    extract.

WordReference Random House Unabridged Dictionary of American English © 2024
ex•trac•tion  (ik strakshən),USA pronunciation n. 
  1. an act or instance of extracting:the extraction of a molar.
  2. the state or fact of being extracted.
  3. descent or lineage:to be of foreign extraction.
  4. something extracted;
    extract.
  • Late Latin extractiōn- (stem of extractiō). See extract, -ion
  • late Middle English extraccioun 1375–1425

Collins Concise English Dictionary © HarperCollins Publishers::
extraction /ɪkˈstrækʃən/ n
  1. the act of extracting or the condition of being extracted
  2. something extracted; an extract
  3. the act or an instance of extracting a tooth or teeth
  4. origin, descent, lineage, or ancestry
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