PROOF

proof

(adjective) (used in combination or as a suffix) able to withstand; “temptation-proof”; “childproof locks”

validation, proof, substantiation

(noun) the act of validating; finding or testing the truth of something

proof

(noun) a trial photographic print from a negative

proof, cogent evidence

(noun) any factual evidence that helps to establish the truth of something; “if you have any proof for what you say, now is the time to produce it”

proof, test copy, trial impression

(noun) (printing) an impression made to check for errors

proof

(noun) a formal series of statements showing that if one thing is true something else necessarily follows from it

proof

(noun) a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume)

proof

(verb) make resistant (to harm); “proof the materials against shrinking in the dryer”

proof

(verb) activate by mixing with water and sometimes sugar or milk; “proof yeast”

proofread, proof

(verb) read for errors; “I should proofread my manuscripts”

proof

(verb) knead to reach proper lightness; “proof dough”

proof

(verb) make or take a proof of, such as a photographic negative, an etching, or typeset

Source: WordNet® 3.1

Etymology

Noun

proof (countable and uncountable, plural proofs)

(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.

(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.

Hyponyms

• artist's proof

• conditional proof

• printer's proof

• proof reader

• working proof

Adjective

proof (comparative more proof, superlative most proof)

Used in proving or testing.

Firm or successful in resisting.

(of alcoholic liquors) Being of a certain standard as to alcohol content.

Verb

proof (third-person singular simple present proofs, present participle proofing, simple past and past participle proofed)

(transitive, intransitive, colloquial) To proofread.

(transitive) To make resistant, especially to water.

(transitive, cooking) To allow yeast-containing dough to rise.

(transitive, cooking) To test the activeness of yeast.

Proper noun

Proof

The 98th sura (chapter) of the Qur'an.

Source: Wiktionary

Proof, n. Etym: [OF. prove, proeve, F. preuve, fr. L. proba, fr. probare to prove. See Prove.]

1. Any effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial. For whatsoever mother wit or art Could work, he put in proof. Spenser. You shall have many proofs to show your skill. Ford. Formerly, a very rude mode of ascertaining the strength of spirits was practiced, called the proof. Ure.

2. That degree of evidence which convinces the mind of any truth or fact, and produces belief; a test by facts or arguments that induce, or tend to induce, certainty of the judgment; conclusive evidence; demonstration. I'll have some proof. Shak. It is no proof of a man's understanding to be able to confirm whatever he pleases. Emerson.

Note: Properly speaking, proof is the effect or result of evidence, evidence is the medium of proof. Cf. Demonstration, 1.

3. The quality or state of having been proved or tried; firmness or hardness that resists impression, or does not yield to force; impenetrability of physical bodies.

4. Firmness of mind; stability not to be shaken.

5. (Print.)

Definition: A trial impression, as from type, taken for correction or examination; -- called also proof sheet.

6. (Math.)

Definition: A process for testing the accuracy of an operation performed. Cf. Prove, v. t., 5.

7. Armor of excellent or tried quality, and deemed impenetrable; properly, armor of proof. [Obs.] Shak. Artist's proof, a very early proof impression of an engraving, or the like; -- often distinguished by the artist's signature.

– Proof reader, one who reads, and marks correction in, proofs. See def. 5, above.

Syn.

– Testimony; evidence; reason; argument; trial; demonstration. See Testimony.

Proof, a.

1. Used in proving or testing; as, a proof load, or proof charge.

2. Firm or successful in resisting; as, proof against harm; waterproof; bombproof. I . . . have found thee Proof against all temptation. Milton. This was a good, stout proof article of faith. Burke.

3. Being of a certain standard as to strength; -- said of alcoholic liquors. Proof charge (Firearms), a charge of powder and ball, greater than the service charge, fired in an arm, as a gun or cannon, to test its strength.

– Proof impression. See under Impression.

– Proof load (Engin.), the greatest load than can be applied to a piece, as a beam, column, etc., without straining the piece beyond the elastic limit.

– Proof sheet. See Proof, n., 5.

– Proof spirit (Chem.), a strong distilled liquor, or mixture of alcohol and water, containing not less than a standard amount of alcohol. In the United States "proof spirit is defined by law to be that mixture of alcohol and water which contains one half of its volume of alcohol, the alcohol when at a temperature of 60º Fahrenheit being of specific gravity 0.7939 referred to water at its maximum density as unity. Proof spirit has at 60º Fahrenheit a specific gravity of 0.93353, 100 parts by volume of the same consisting of 50 parts of absolute alcohol and 53.71 parts of water," the apparent excess of water being due to contraction of the liquids on mixture. In England proof spirit is defined by Act 58, George III., to be such as shall at a temperature of 51º Fahrenheit weigh exactly the second, third, and fourth proof spirits respectively.

– Proof staff, a straight-edge used by millers to test the flatness of a stone.

– Proof stick (Sugar Manuf.), a rod in the side of a vacuum pan, for testing the consistency of the sirup.

– Proof text, a passage of Scripture used to prove a doctrine. proof coin or proof, a coin which has been specially struck, to produce the finest specimen of its type.

Note: Usually such coins are double-struck from polished dies, and the raised features are sometimes frosted. They thus have sharper features and more mirror-like fields than production coins (i.e. those coins struck for circulation); they are considered by coin collectors as the most desirable specimens of each coin, and usually sell at a premium to their corresponding production coins.

Source: Webster’s Unabridged Dictionary 1913 Edition

PROOF

Etymology

Noun

Hyponyms

Adjective

Verb

Proper noun

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