Definitions of proof

  1. make resistant, as to water, sound, errors, etc.
  2. activate by mixing with water and sometimes sugar or milk; " proof yeast"
  3. the act of validating; finding or testing the truth of something
  4. a trial photographic print from a negative
  5. ( logic or mathematics) a formal series of statements showing that if one thing is true something else necessarily follows from it
  6. a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present ( by volume)
  7. any factual evidence that helps to establish the truth of something; " if you have any proof for what you say, now is the time to produce it"
  8. ( printing) an impression made to check for errors
  9. a formal series of statements showing that if one thing is true something else necessarily follows from it
  10. make resistant to water, sound, errors, etc.; " proof the materials against shrinking in the dryer"
  11. knead to reach proper lightness; " proof dough"
  12. Any effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial.
  13. That degree of evidence which convinces the mind of any truth or fact, and produces belief; a test by facts or arguments that induce, or tend to induce, certainty of the judgment; conclusive evidence; demonstration.
  14. The quality or state of having been proved or tried; firmness or hardness that resists impression, or does not yield to force; impenetrability of physical bodies.
  15. Firmness of mind; stability not to be shaken.
  16. A trial impression, as from type, taken for correction or examination; -- called also proof sheet.
  17. A process for testing the accuracy of an operation performed. Cf. Prove, v. t., 5.
  18. Armor of excellent or tried quality, and deemed impenetrable; properly, armor of proof.
  19. Used in proving or testing; as, a proof load, or proof charge.
  20. Firm or successful in resisting; as, proof against harm; waterproof; bombproof.
  21. Being of a certain standard as to strength; -- said of alcoholic liquors.
  22. The means by which something is found to be true or correct; convincing evidence; a test or trial; in printing, an impression taken from type for correction; an early impression of an engraving.
  23. That which proves: test: experiment: any process to discover or establish a truth: that which convinces: demonstration: evidence: condition of having been proved: firmness of mind: a certain strength of alcoholic spirits: ( print.) an impression taken for correction, also " proof- sheet": an early impression of an engraving.
  24. Able to withstand.
  25. Test; evidence; demonstration; impression of types, & c., taken for correction.
  26. The act of proving; convincing evidence.
  27. The standard strength of alcoholic liquors.
  28. A printed trial- sheet, as for correction.
  29. Trial or test; experiment; demonstration; that which convinces; hardness or firmness to resist; impenetrability; firmness of mind; the degree of strength in spirit; a rough impression taken for correction; an early impression of an engraving.
  30. Evidence; testimony; test; trial; any effort, process, or operation to ascertain truth; that which convinces the mind and produces belief; capacity of resistance, as fire- proof, water- proof; firmness or stability of mind; a standard strength of spirit, containing nearly equal weights of pure alcohol and water; an impression taken from a form of type, or from an engraved plate, for examination and correction.
  31. ( used in combination or as a suffix) able to withstand; " temptation- proof"; " childproof locks"
  32. Employed in or connected with proving or correcting.
  33. Firm; impenetrable.
  34. Of standard alcoholic strength.
  35. Strong to resist impression or penetration. See Prove.
  36. Able to resist something; impenetrable.
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