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单词 proof
释义

proof

noun
 
/pruːf/
/pruːf/
Word Family
  • prove verb (≠ disprove)
  • proof noun
  • proven adjective (≠ unproven)
Idioms
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  1.  
     [uncountable, countable] information, documents, etc. that show that something is true synonym evidence
    • conclusive/definitive/scientific proof
    • The police suspected him of dealing drugs, but they didn't have any proof.
    • to require/need proof
    • proof of something Can you provide any proof of identity?
    • Keep the receipt as proof of purchase.
    • These results are a further proof of his outstanding ability.
    • proof (that)… There is no proof that the knife belonged to her.
    • Today's unemployment figures are proof positive the government's economic plan isn't working.
    • In criminal cases the burden of proof (= requirement to provide proof) is on the prosecution.
    • plans to lower the standard of proof required to convict people of crimes under the Terrorism Act
    Extra Examples
    • We need conclusive proof before we can take this matter to court.
    • He is unlikely to make wild accusations without proof.
    • The men were acquitted for lack of proof.
    • I am living proof that the treatment works.
    • The photo was final proof of her husband's infidelity.
    • Her account gives us no concrete proof of his guilt.
    • Have you got any positive proof that she took the money?
    • I have no real proof that he was in the country at the time.
    • We have proof positive that he is in hiding.
    Topics Scientific researchb2
    Oxford Collocations Dictionaryadjective
    • clear
    • convincing
    • direct
    • …
    verb + proof
    • be
    • constitute
    • have
    • …
    preposition
    • without proof
    • proof of
    phrases
    • the burden of proof
    • the onus of proof
    • a lack of proof
    • …
    See full entry
  2. [uncountable] the process of testing whether something is true or a fact
    • Is the claim capable of proof?
    see also burden of proofTopics Opinion and argumentb2, Scientific researchb2
  3. [countable] (mathematics) a way of proving that a statement is true or that what you have calculated is correctTopics Maths and measurementc1
  4. [countable, usually plural] a copy of printed material which is produced so that mistakes can be corrected
    • She was checking the proofs of her latest novel.
    see also page proof
  5. [uncountable] a standard used to measure the strength of alcoholic drinks
    6. Word OriginMiddle English preve, 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 cent.
Idioms
be living proof of something/that…
  1. to show by your actions or qualities that a particular fact is true
    • These figures are living proof of the government's incompetence.
    • He is living proof that age is no barrier to new challenges.
the proof of the pudding (is in the eating)
  1. (saying) you can only judge if something is good or bad when you have tried it

proof

adjective
/pruːf/
/pruːf/
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  1. proof against something (formal) that can resist the damaging or harmful effects of something
    • The sea wall was not proof against the strength of the waves.
  2. (in compounds) that can resist or protect against the thing mentioned
    • rainproof/windproof clothing
    • The car has childproof locks on the rear doors.
    • an inflation-proof pension plan
    Topics Physics and chemistryb2
    3. Word OriginMiddle English preve, 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 cent.

proof

verb
/pruːf/
/pruːf/
Verb Forms
present simple I / you / we / they proof
/pruːf/
/pruːf/
he / she / it proofs
/pruːfs/
/pruːfs/
past simple proofed
/pruːft/
/pruːft/
past participle proofed
/pruːft/
/pruːft/
-ing form proofing
/ˈpruːfɪŋ/
/ˈpruːfɪŋ/
jump to other results
  1. proof something to put a special substance on something, especially cloth, to protect it against water, fire, etc.
    • proofed canvas
  2. proof something to produce a test copy of a piece of printed work so that mistakes can be corrected
    • colour proofing
    3. Word OriginMiddle English preve, 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 cent.
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更新时间：2024/11/15 10:00:06