ex·tract /ɪkˈstrækt, ||5 ˈɛkˌ/
 榨出物,精汁,選粹(vt.)摘錄,析取,吸取


 ex·tract /ɪkˈstrækt/ 及物動詞
 拔出,取出,提取,浸出物,抽提,提取液,提出物,浸膏,萃,萃取,蒸餾出,抽出,拔出,摘錄,選錄,推斷出,浸膏,提取物


 extract
 擷取; 抽取; 萃取


 extract
 取 萃取 擷取


 Ex·tract v. t. [imp. & p. p. Extracted; p. pr. & vb. n. Extracting.]
 1. To draw out or forth; to pull out; to remove forcibly from a fixed position, as by traction or suction, etc.; as, to extract a tooth from its socket, a stump from the earth, a splinter from the finger.
 The bee
 Sits on the bloom extracting liquid sweet.   --Milton.
 2. To withdraw by expression, distillation, or other mechanical or chemical process; as, to extract an essence.  Cf. Abstract, v. t., 6.
    Sunbeams may be extracted from cucumbers, but the process is tedious.
 3. To take by selection; to choose out; to cite or quote, as a passage from a book.
    I have extracted out of that pamphlet a few notorious falsehoods.   --Swift.
 To extract the root Math., to ascertain the root of a number or quantity.


 Ex·tract n.
 1. That which is extracted or drawn out.
 2. A portion of a book or document, separately transcribed; a citation; a quotation.
 3. A decoction, solution, or infusion made by dissolving out from any substance that which gives it its essential and characteristic virtue; essence; as, extract of beef; extract of dandelion; also, any substance so extracted, and characteristic of that from which it is obtained; as, quinine is the most important extract of Peruvian bark.
 4. Med. A solid preparation obtained by evaporating a solution of a drug, etc., or the fresh juice of a plant; -- distinguished from an abstract. See Abstract, n., 4.
 5. Old Chem. A peculiar principle once erroneously supposed to form the basis of all vegetable extracts; -- called also the extractive principle. [Obs.]
 6. Extraction; descent. [Obs.]
 7. Scots Law A draught or copy of writing; certified copy of the proceedings in an action and the judgement therein, with an order for execution.
 Fluid extract Med., a concentrated liquid preparation, containing a definite proportion of the active principles of a medicinal substance. At present a fluid gram of extract should represent a gram of the crude drug.

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 extract
      n 1: a solution obtained by steeping or soaking a substance
           (usually in water) [syn: infusion]
      2: a passage selected from a larger work; "he presented
         excerpts from William James' philosophical writings" [syn:
          excerpt, selection]
      v 1: draw or pull out, usually with some force or effort; also
           used in an abstract sense; "pull weeds"; "extract a bad
           tooth"; "take out a splinter"; "extract information from
           the telegram" [syn: pull out, pull, pull up, {take
           out, draw out]
      2: get despite difficulties or obstacles; "I extracted a
         promise from the Dean for two ne positions"
      3: deduce (a principle) or construe (a meaning); "We drew out
         some interesting linguistic data from the native
         informant" [syn: educe, evoke, elicit, draw out]
      4: extract by the process of distillation; "distill the essence
         of this compound" [syn: distill, distil]
      5: separate (a metal) from an ore
      6: obtain from a substance, as by mechanical action; "Italians
         express coffee rather than filter it" [syn: press out, express]
      7: take out of a literary work in order to cite or copy [syn: excerpt,
          take out]
      8: calculate the root of a number