proof
noun
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the act of validatingvalidation
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a trial photographic print from a negative
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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
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(printing) an impression made to check for errorstest copytrial impression
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a formal series of statements showing that if one thing is true something else necessarily follows from it
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a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume)
verb
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make resistant to harm“We proof the materials against shrinking in the dryer.”
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activate by mixing with water and sometimes sugar or milk“proof yeast”
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read for errors“I should proofread my manuscripts”proofread
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knead to reach proper lightness“proof dough”
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make or take a proof of, such as a photographic negative, an etching, or typeset
adjective
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(used in combination or as a suffix) able to withstand