proof definition, proof meaning | English dictionary

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1    any evidence that establishes or helps to establish the truth, validity, quality, etc., of something  
2      (Law)   the whole body of evidence upon which the verdict of a court is based  
3      (Maths, logic)   a sequence of steps or statements that establishes the truth of a proposition  
   See also       direct       17       induction       4, 8  
4    the act of testing the truth of something (esp. in the phrase put to the proof)  
5      (Scots law)   trial before a judge without a jury  
6      (Printing)   a trial impression made from composed type, or a print-out (from a laser printer, etc.) for the correction of errors  
7    (in engraving, etc.) a print made by an artist or under his supervision for his own satisfaction before he hands the plate over to a professional printer  
8      (Photog)   a trial print from a negative  
a    the alcoholic strength of proof spirit  
b    the strength of a beverage or other alcoholic liquor as measured on a scale in which the strength of proof spirit is 100 degrees  
10    usually postpositive; foll by: against   able to resist; impervious (to)  
the roof is proof against rain     
11    having the alcoholic strength of proof spirit  
12    of proved strength or impenetrability  
proof armour     
13    tr   to take a proof from (type matter, a plate, etc.)  
14    to proofread (text) or inspect (a print, etc.), as for approval  
15    to render (something) proof, esp. to waterproof  
     (C13: from Old French preuve a test, from Late Latin proba, from Latin probare to test)  

burden of proof  
      n     (Law)   the obligation, in criminal cases resting initially on the prosecution, to provide evidence that will convince the court or jury of the truth of one's contention  
      vb     (Building trades)  
1    to protect against the incursion of damp by adding a dampcourse or by coating with a moisture-resistant preparation  
2    protected against damp or causing protection against damp  
a damp-proof course     
foundry proof  
      n     (Printing)   a proof taken from a forme before duplicate plates are made from it  
galley proof  
      n   a printer's proof, esp. one taken on a long strip of paper from type in a galley, used to make corrections before the matter has been split into pages,   (Often shortened to)    galley  
indirect proof  
      n     (Logic, maths)   proof of a conclusion by showing its negation to be self-contradictory; reductio ad absurdum  
   Compare       direct       17  
      vb combining form   secure against (damage by); (make) impervious to  
waterproof, mothproof, childproof     
     (from proof (adj))  
proof spirit  
1    (in Britain and Canada) a mixture of alcohol and water or an alcoholic beverage that contains 49.28 per cent of alcohol by weight, 57.1 per cent by volume at 51°F: up until 1980 used as a standard of alcoholic liquids  
2    (in the U.S.) a similar standard mixture containing 50 per cent of alcohol by volume at 60°F  
proof stress  
      n     (Engineering)   the equivalent of yield stress in materials which have no clearly defined yield point  
proof theory  
      n   the branch of logic that studies the syntactic properties of formal theories, esp. the syntactic characterization of deductive validity  
rabbit-proof fence  
a    a fence through which rabbits are unable to pass  
b      (Austral)  
informal   a boundary between certain Australian states, marked by such a fence  
reproduction proof  
      n     (Printing)   a proof of very good quality used for photographic reproduction to make a printing plate,   (Sometimes shortened to)    repro, repro proof  
      vb   tr  
1    to treat (a coat, jacket, etc.) so as to renew its texture, waterproof qualities, etc.  
2    to provide a new proof of (a book, galley, etc.)  
English Collins Dictionary - English Definition & Thesaurus  



1    attestation, authentication, certification, confirmation, corroboration, demonstration, evidence, substantiation, testimony, verification  
2    as in put to the proof      assay, examination, experiment, ordeal, scrutiny, test, trial  
3      (Printing)   galley, galley proof, page proof, pull, slip, trial impression, trial print  
4    impenetrable, impervious, repellent, resistant, strong, tight, treated  
5    be proof against      hold out against, resist, stand firm against, stand up to, withstand  

English Collins Dictionary - English synonyms & Thesaurus  

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