proof of quality

  • 1Proof — 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

  • 2Proof reader — 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… …

    The Collaborative International Dictionary of English

  • 3proof sheet — 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… …

    The Collaborative International Dictionary of English

  • 4proof — [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

  • 5Proof — • The establishment of a disputed or controverted matter by lawful means or arguments. Catholic Encyclopedia. Kevin Knight. 2006. Proof     Proof      …

    Catholic encyclopedia

  • 6proof|like — «PROOF LYK», adjective. like a proof coin in quality or appearance: »a prooflike specimen, prooflike silver dollars …

    Useful english dictionary

  • 7proof — /proohf/, n. 1. evidence sufficient to establish a thing as true, or to produce belief in its truth. 2. anything serving as such evidence: What proof do you have? 3. the act of testing or making trial of anything; test; trial: to put a thing to… …

    Universalium

  • 8proof — /pruf / (say proohf) noun 1. evidence sufficient to establish a thing as true, or to produce belief in its truth. 2. anything serving as such evidence. 3. the act of testing or making trial of anything; test; a trial: to put a thing to the proof …

  • 9proof — I. noun Etymology: Middle English prof, prove, alteration of preve, from Anglo French preove, from Late Latin proba, from Latin probare to prove more at prove Date: 13th century 1. a. the cogency of evidence that compels acceptance by the mind of …

    New Collegiate Dictionary

  • 10proof — [[t]pru͟ːf[/t]] ♦♦♦ proofs 1) N VAR: oft N of n, N that Proof is a fact, argument, or piece of evidence which shows that something is definitely true or definitely exists. You have to have proof of residence in the state of Texas, such as a Texas …

    English dictionary