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Noun: proof  proof
  1. 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";
    - cogent evidence
  2. (logic) a formal series of statements showing that if one thing is true something else necessarily follows from it
  3. A measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume)
  4. (printing) an impression made to check for errors
    - test copy, trial impression
  5. A trial photographic print from a negative
  6. The act of validating; finding or testing the truth of something
    - validation, substantiation
Verb: proof  proof
  1. Make or take a proof of, such as a photographic negative, an etching, or typeset
  2. Knead to reach proper lightness
    "proof dough"
  3. Read for errors
    "I should proof my manuscripts";
    - proofread
  4. Activate by mixing with water and sometimes sugar or milk
    "proof yeast"
  5. Make resistant (to harm)
    "proof the materials against shrinking in the dryer"
Adjective: proof  proof
  1. (used in combination or as a suffix) able to withstand

Derived forms: proofing, proofs, proofed

See also: imperviable, impervious

Type of: alter, amount, argument, ascertain, assure, change, check, control, create, determination, ensure, evidence, finding, grounds, impression, insure, knead, make, measure, modify, photographic print, print, printing, produce, quantity, see, see to it, statement, strengthen, toughen, work

Encyclopedia: Proof