as·say /ˈæˌse, æˈse/
 化驗,分析(vt.)化驗,分析,嘗試(vi.)被驗明成分


 as·say /ˈæsˌe, æˈse/ 名詞
 測定,測定法


 As·say, v. i. To attempt, try, or endeavor. [Archaic. In this sense essay is now commonly used.]
    She thrice assayed to speak.   --Dryden.

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 As·say, v. t. [imp. & p. p. Assayed p. pr. & vb. n. Assaying.]
 1. To try; to attempt; to apply. [Obs. or Archaic]
    To-night let us assay our plot.   --Shak.
    Soft words to his fierce passion she assayed.   --Milton.
 2. To affect. [Obs.]
    When the heart is ill assayed.   --Spenser.
 3. To try tasting, as food or drink. [Obs.]
 4. To subject, as an ore, alloy, or other metallic compound, to chemical or metallurgical examination, in order to determine the amount of a particular metal contained in it, or to ascertain its composition.


 As·say n.
 1. Trial; attempt; essay. [Obs.]
    I am withal persuaded that it may prove much more easy in the assay than it now seems at distance.   --Milton.
 2. Examination and determination; test; as, an assay of bread or wine. [Obs.]
    This can not be, by no assay of reason.   --Shak.
 3. Trial by danger or by affliction; adventure; risk; hardship; state of being tried. [Obs.]
    Through many hard assays which did betide.   --Spenser.
 4. Tested purity or value. [Obs.]
    With gold and pearl of rich assay.   --Spenser.
 5. Metallurgy The act or process of ascertaining the proportion of a particular metal in an ore or alloy; especially, the determination of the proportion of gold or silver in bullion or coin.
 6. The alloy or metal to be assayed.
 Usage: Assay and essay are radically the same word; but modern usage has appropriated assay chiefly to experiments in metallurgy, and essay to intellectual and bodily efforts. See Essay.
 Note: ☞ Assay is used adjectively or as the first part of a compound; as, assay balance, assay furnace.
 Assay master, an officer who assays or tests gold or silver coin or bullion.
 Assay ton, a weight of 29,166⅔ grams.


 assay
      n 1: an appraisal of the state of affairs; "they made an assay of
           the contents"; "a check on its dependability under
           stress" [syn: check]
      2: a substance that is undergoing an analysis of its components
      3: a written report of the results of an analysis of the
         composition of some substance
      4: a quantitative or qualitative test of a substance
         (especially an ore or a drug) to determine its components;
         frequently used to test for the presence or concentration
         of infectious agents or antibodies etc.
      v 1: analyze (chemical substances)
      2: make an effort or attempt; "He tried to shake off his
         fears"; "The infant had essayed a few wobbly steps"; "The
         police attempted to stop the thief"; "He sought to improve
         himself"; "She always seeks to do good in the world" [syn:
          try, seek, attempt, essay]