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1. Dictionary

   proof

   /pruːf/

   noun

   • 1. evidence or argument establishing a fact or the truth of a statement: "you will be asked to give proof of your identity" Similar evidenceverificationcorroborationauthenticationconfirmationcertificationvalidationattestationdemonstrationsubstantiationwitnesstestamentdocumentationfactsdatatestimonyammunition
   • ▪ the spoken or written evidence in a trial.
   • ▪ the action of establishing the truth of a statement: "spatial dimensions whose very existence is beyond all hope of proof"
   • ▪ a series of stages in the resolution of a mathematical or philosophical problem.
   • 2. a trial impression of a page, taken from type or film and used for making corrections before final printing. Similar page proofgalley proofgalleypullsliptrial printrevise
   • ▪ a trial photographic print made for initial selection.
   • ▪ each of a number of impressions from an engraved plate, especially (in commercial printing) of a limited number before the ordinary issue is printed and before an inscription or signature is added.
   • ▪ a specially struck specimen coin with a polished or frosted finish.
   • 3. the strength of distilled alcoholic spirits, relative to proof spirit taken as a standard of 100: "powerful 132-proof rum"
   • 4. a test or trial of something.
   • 5. a trial or a civil case before a judge without a jury.

   adjective

   • 1. able to withstand something damaging; resistant: "the marine battle armour was proof against most weapons"
   • 2. denoting a trial impression of a page or printed work: "a proof copy is sent up for checking"

   verb

   • 1. make (fabric) waterproof: "if you are using a piece of lightweight canvas it will be necessary to proof the fabric when complete"
   • 2. make a proof of (a printed work, engraving, etc.): "proof each plate and print it on acetate first"
   • ▪ proofread (a text): "William proofed much of her work"
   • 3. activate (yeast) by the addition of liquid: North American "proof the yeast with the teaspoon of sugar"
   • ▪ knead (dough) until light and smooth.
   • ▪ (of dough) prove: "shape into a baguette and let proof for a few minutes"

   Word Origin Middle Englishpreve, from Old French proeve, from late Latin proba, from Latin probare ‘to test, prove’. The change of vowel in late Middle English was due to the influence of prove. Current senses of the verb date from the late 19th century.

   Derivatives

   • 1. proofless adjective

   Scrabble Points: 10

   • P

     3

   • R

     1

   • O

     1

   • O

     1

   • F

     4

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   More definitions, origin and scrabble points

2. People also ask

   What does proof mean?

   • : the process or an instance of establishing the validity of a statement especially by derivation from other statements in accordance with principles of reasoning plural proofs or proof : a copy (as of typeset text) made for examination or correction : a test impression of an engraving, etching, or lithograph

   Proof Definition & Meaning - Merriam-Webster

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   What does putting a thing to the proof mean?

   • to put a thing to the proof. the establishment of the truth of anything; demonstration. Law. (in judicial proceedings) evidence having probative weight. the effect of evidence in convincing the mind. an arithmetical operation serving to check the correctness of a calculation.

   PROOF Definition & Meaning | Dictionary.com

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   What does proofing mean?

   • to proofread. to proof a house against termites; to shrink-proof a shirt. Cooking. to test the effectiveness of (yeast), as by combining with warm water so that a bubbling action occurs. to cause (especially bread dough) to rise due to the addition of baker's yeast or other leavening. burglarproof; childproof; waterproof.

   PROOF Definition & Meaning | Dictionary.com

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   What does Prova mean?

   • prova, à prova de, prova [feminine]… Need a translator? Get a quick, free translation! PROOF definition: 1. a fact or piece of information that shows that something exists or is true: 2. a printed copy…. Learn more.

   PROOF | English meaning - Cambridge Dictionary

   dictionary.cambridge.org/dictionary/english/proof

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3. dictionary.cambridge.org › dictionary › englishPROOF | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   PROOF definition: 1. a fact or piece of information that shows that something exists or is true: 2. a printed copy…. Learn more.

   • Proof: French Translation

     PROOF translate: preuve [feminine], preuve, épreuve,...

   • Proof: Korean Translation

     PROOF translate: 증거, 증명. Learn more in the Cambridge...

   • Proof: Japanese Translation

     PROOF translate: 証拠, 証明, 証拠（しょうこ）. Learn more in the...

   • Proof: Arabic Translation

     PROOF translate: بُرْهان / إثْبات. Learn more in the...

   • Proof Spanish Translation

     PROOF translate: prueba, de graduación alcohólica, a prueba...

   • Proof: Malay Translation

     proof translate: bukti, pruf, gambar cucian pertama, kalis....

4. www.merriam-webster.com › dictionary › proofProof Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › proof

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   Learn the various meanings and uses of the word proof as a noun, adjective, and verb. Find synonyms, examples, etymology, and related phrases of proof.

5. Videos

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6. www.dictionary.com › browse › proofPROOF Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › proof

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   Proof can be a noun, adjective, or verb, meaning evidence, test, trial, or resistance. Learn the different senses and uses of proof in various fields, such as law, mathematics, printing, and cooking.

7. www.collinsdictionary.com › dictionary › englishPROOF definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   Learn the various meanings and uses of the word proof in English, from fact, argument, or evidence that shows something is true, to a trial print of a book or a drink with a certain strength. See synonyms, examples, and related terms for proof.

8. www.oxfordlearnersdictionaries.com › definitionproof noun - Definition, pictures, pronunciation and usage ...

   www.oxfordlearnersdictionaries.com › definition

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   Learn the meaning, pronunciation and usage of the word proof as a noun in English. Find out the different types and contexts of proof, such as evidence, mathematical proof, proofreading and living proof.

9. www.vocabulary.com › dictionary › proofProof - Definition, Meaning & Synonyms - Vocabulary.com

   www.vocabulary.com › dictionary › proof

   Proof is the evidence that shows something is true or valid. When you show the logical steps that take you from your hypothesis that the world is round to the conclusion that it is, you're formulating a proof.

10. www.thefreedictionary.com › proofProof - definition of proof by The Free Dictionary

    www.thefreedictionary.com › proof

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    Proof is evidence or argument that supports a claim as true, or a test of quality or validity. It can also refer to the alcoholic strength of a liquor, a trial print, or a type of coin.