Hypertext Webster Gateway: "proof"

From Webster's Revised Unabridged Dictionary (1913) (web1913)

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

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.

3. Being of a certain standard as to strength; -- said of
alcoholic liquors.

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Proof \Proof\, n. [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

For whatsoever mother wit or art Could work, he put
in proof. --Spenser.

You shall have many proofs to show your skill.

Formerly, a very rude mode of ascertaining the
strength of spirits was practiced, called the proof.

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.) A trial impression, as from type, taken for
correction or examination; -- called also {proof sheet}.

6. (Math.) 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}.

From WordNet (r) 1.7 (wn)

adj : (used in combination or as a suffix) able to withstand;
"temptation-proof"; "childproof locks" [syn: {proof(p)}]
n 1: 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" [syn: {cogent evidence}]
2: (logic or mathematics) a formal series of statements showing
that if one thing is true something else necessarily
follows from it
3: a measure of alcoholic strength expressed as an integer
twice the percentage of alcohol present (by volume)
4: (printing) a trial impression made to check for errors [syn:
{test copy}]
5: a trial photographic print from a negative
6: the act of validating; finding or testing the truth of
something [syn: {validation}]
v 1: make or take a proof of, such as a photographic negative, an
etching, or typeset
2: read for errors [syn: {proofread}]
3: activate by mixing with water and sometimes sugar or milk;
"proof yeast"
4: make resistant, as to water, sound, errors, etc.

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