| proof | the act of validating |
|---|---|
| proof | a trial photographic print from a negative |
| proof | any factual evidence that helps to establish the truth of something |
| proof | (printing) a trial impression made to check for errors |
| proof | (logic or mathematics) a formal series of statements showing that if one thing is true something else necessarily follows from it |
| proof | a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume) |
| proof | make resistant, as to water, sound, errors, etc. |
| proof | activate by mixing with water and sometimes sugar or milk |
| proof | read for errors |
| proof | make or take a proof of, such as a photographic negative, an etching, or typeset |
| proof | (used in combination or as a suffix) able to withstand |
| proof | a mixture containing half alcohol by volume at 60 degrees Fahrenheit |