noun
plural proofs
[noncount] :something which shows that something else is true or correct
[count] an act or process of showing that something is true
b mathematics :a test which shows that a calculation is correct
[count] technical :a copy of something that is going to be printed which is examined and used to make corrections before the final printing is done - usually plural
[noncount] :a measurement of how much alcohol is in an alcoholic drink
the proof is in the pudding
adjective
formal :designed or made to prevent or protect against something harmful
usually used in combination
verb
proofs; proofed; proofing
[+ obj] :proofread