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Proof

pruːf

Proof definitions
noun
proof proofs
  1. evidence or argument establishing a fact or the truth of a statement

    "you will be asked to give proof of your identity"

    • the spoken or written evidence in a trial
    • the action of establishing the truth of a statement

      "spatial dimensions whose very existence is beyond all hope of proof"

    • a series of stages in the resolution of a mathematical or philosophical problem
  2. a trial impression of a page, taken from type or film and used for making corrections before final printing
    page proof galley proof galley pull slip trial print
    • a trial photographic print made for initial selection
    • each of a number of impressions from an engraved plate, especially (in commercial printing) of a limited number before the ordinary issue is printed and before an inscription or signature is added
    • a specially struck specimen coin with a polished or frosted finish
  3. the strength of distilled alcoholic spirits, relative to proof spirit taken as a standard of 100

    "powerful 132-proof rum"

  4. a test or trial of something
  5. a trial or a civil case before a judge without a jury
adjective
proof
  1. able to withstand something damaging; resistant

    "the marine battle armour was proof against most weapons"

  2. denoting a trial impression of a page or printed work

    "a proof copy is sent up for checking"

verb
proof proofed proofing proofs
  1. make (fabric) waterproof

    "if you are using a piece of lightweight canvas it will be necessary to proof the fabric when complete"

  2. make a proof of (a printed work, engraving, etc.)

    "proof each plate and print it on acetate first"

    set in print send to press run off preprint reprint pull proof copy reproduce
    • proofread (a text)

      "William proofed much of her work"

  3. activate (yeast) by the addition of liquid

    "proof the yeast with the teaspoon of sugar"

    • knead (dough) until light and smooth
    • (of dough) prove

      "shape into a baguette and let proof for a few minutes"