proof


proof
n., adj., & v.
—n.
1 facts, evidence, argument, etc. establishing or helping to establish a fact (proof of their honesty; no proof that he was there).
2 Law the spoken or written evidence in a trial.
3 a demonstration or act of proving (not capable of proof; in proof of my assertion).
4 a test or trial (put them to the proof; the proof of the pudding is in the eating).
5 the standard of strength of distilled alcoholic liquors.
6 Printing a trial impression taken from type or film, used for making corrections before final printing.
7 the stages in the resolution of a mathematical or philosophical problem.
8 each of a limited number of impressions from an engraved plate before the ordinary issue is printed and usu. (in full proof before letters) before an inscription or signature is added.
9 a photographic print made for selection etc.
10 Sc. Law a trial before a judge instead of by a jury.
—adj.
1 impervious to penetration, ill effects, etc. (proof against the severest weather; his soul is proof against corruption).
2 (in comb.) able to withstand damage or destruction by a specified agent (soundproof; childproof).
3 being of proof alcoholic strength.
4 (of armour) of tried strength.
—v.tr.
1 make (something) proof, esp. make (fabric) waterproof.
2 make a proof of (a printed work, engraving, etc.).
Phrases and idioms:
above proof (of alcohol) having a stronger than standard strength. proof-plane a small flat conductor on an insulating handle for measuring the electrification of a body. proof positive absolutely certain proof. proof-sheet a sheet of printer's proof. proof spirit a mixture of alcohol and water having proof strength.
Derivatives:
proofless adj.
Etymology: ME prof prove, earlier pref etc. f. OF proeve, prueve f. LL proba f. L probare (see PROVE; adj. and sometimes v. formed app. by ellipsis f. phr. of proof = proved to be impenetrable

Useful english dictionary. 2012.

Synonyms:

Look at other dictionaries:

  • proof — n [alteration of Middle English preove, from Old French preuve, from Late Latin proba, from Latin probare to prove] 1: the effect of evidence sufficient to persuade a reasonable person that a particular fact exists see also evidence 2: the… …   Law dictionary

  • Proof — • The establishment of a disputed or controverted matter by lawful means or arguments. Catholic Encyclopedia. Kevin Knight. 2006. Proof     Proof      …   Catholic encyclopedia

  • Proof — Proof, a. [1913 Webster] 1. Used in proving or testing; as, a proof load, or proof charge. [1913 Webster] 2. Firm or successful in resisting; as, proof against harm; waterproof; bombproof. [1913 Webster] I . . . have found thee Proof against all… …   The Collaborative International Dictionary of English

  • Proof — may refer to: * A rigorous, compelling argument ** Formal proof ** Mathematical proof ** Proof theory, a branch of mathematical logic that represents proofs as formal mathematical objects ** Logical argument ** Evidence (law), tested evidence or… …   Wikipedia

  • proof´er — proof «proof», noun, adjective, verb. –n. 1. a way or means of showing beyond doubt the truth of something: »Is what you say a guess, or have you proof? SYNONYM(S): See syn. under evidence. (Cf. ↑evidence) 2. the establishment of the truth of… …   Useful english dictionary

  • Proof — Proof, n. [OF. prove, proeve, F. preuve, fr. L. proba, fr. probare to prove. See {Prove}.] [1913 Webster] 1. Any effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial. [1913 Webster]… …   The Collaborative International Dictionary of English

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  • proof — [pro͞of] n. [ME profe < OFr prueve < LL proba < L probare: see PROBE] 1. the act or process of proving; a testing or trying of something 2. anything serving or tending to establish the truth of something, or to convince one of its truth; …   English World dictionary

  • proof — ► NOUN 1) evidence establishing a fact or the truth of a statement. 2) the proving of the truth of a statement. 3) a series of stages in the resolution of a mathematical or philosophical problem. 3) archaic a test or trial. 4) Printing a trial… …   English terms dictionary

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