proof

proof
proof (n.) early 13c., preove "evidence to establish the fact of (something)," from O.Fr. prueve (early 13c.), from L.L. proba "a proof," a back-formation from L. probare "to prove" (see PROVE (Cf. prove)). Meaning "act of testing or making trial of anything" is from late 14c. Sense of "tested power" led to fireproof (early 17c.), waterproof (1736), foolproof (1902), etc. Meaning "standard of strength of distilled liquor" is from 1705. Typographical sense of "trial impression to test type" is from c.1600. Numismatic sense of "coin struck to test a die" is from 1762; now mostly in reference to coins struck from highly polished dies, mainly for collectors.

Etymology dictionary. 2014.

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  • 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

  • Proof — в 2005 году Основная информация …   Википедия

  • 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

  • Proof — ist ein US amerikanischer Rapper (1973 2006), siehe Proof (Rapper) in der Drucktechnik die Bezeichnung für eine Vorschau auf das spätere Druckergebnis, siehe Proof (Druck) der Original Titel eines Films von John Madden aus dem Jahr 2005, siehe… …   Deutsch Wikipedia

  • proof — [n1] evidence, authentication affidavit, argument, attestation, averment, case, certification, chapter and verse*, clincher*, clue, confirmation, corroboration, credentials, criterion, cue*, data, demonstration, deposition, documents,… …   New thesaurus

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