proof
IPA: prˈuf
noun
- (countable) An effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial.
- (uncountable) The degree of evidence which convinces the mind of any truth or fact, and produces belief; a test by facts or arguments which induce, or tend to induce, certainty of the judgment; conclusive evidence; demonstration.
- The quality or state of having been proved or tried; firmness or hardness which resists impression, or does not yield to force; impenetrability of physical bodies.
- (obsolete) Experience of something.
- (uncountable, obsolete) Firmness of mind; stability not to be shaken.
- (countable, printing) A proof sheet; a trial impression, as from type, taken for correction or examination.
- (numismatics) A limited-run high-quality strike of a particular coin, originally as a test run, although nowadays mostly for collectors' sets.
- (countable, logic, mathematics) A sequence of statements consisting of axioms, assumptions, statements already demonstrated in another proof, and statements that logically follow from previous statements in the sequence, and which concludes with a statement that is the object of the proof.
- (countable, mathematics) A process for testing the accuracy of an operation performed. Compare prove, transitive verb, 5.
- (obsolete) Armour of excellent or tried quality, and deemed impenetrable; properly, armour of proof.
- (US) A measure of the alcohol content of liquor. Originally, in Britain, 100 proof was defined as 57.1% by volume (no longer used). In the US, 100 proof means that the alcohol content is 50% of the total volume of the liquid; thus, absolute alcohol would be 200 proof.
- The 98th sura (chapter) of the Qur'an.
verb
- (transitive, intransitive, colloquial) To proofread.
- (transitive) To make resistant, especially to water.
- (transitive, firearms) To test-fire with a load considerably more powerful than the firearm in question's rated maximum chamber pressure, in order to establish the firearm's ability to withstand pressures well in excess of those expected in service without bursting.
- (transitive, cooking) To allow yeast-containing dough to rise.
- (transitive, cooking) To test the activeness of yeast.
adjective
- Used in proving or testing.
- Firm or successful in resisting.
- (of alcoholic liquors) Being of a certain standard as to alcohol content.
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Examples of "proof" in Sentences
- The proof is the same.
- Isn't the proof in the reporting
- There is no exactitude in this proof.
- The burden of proof is on the accused.
- The burden of proof is on the accuser.
- The deductive reasoning is the proof giving us each identity.
- Is the proof in the article the original proof of the formula
- Deductive logic is the reasoning of proof, or logical implication.
- The legal burden of proof differs depending upon the repudiation reason.
- Davis then provided a proof and called it the halting problem in the proof.