proofproof1 /pruːf/ ●●○S3W3 noun 🔊 🔊 1evidence [countable, uncountable]PROVE facts, information, documents etc that prove something is trueproof of 🔊 proof of the existence of life on other planets 🔊 This latest interview was further proof of how good at her job Cara was.proof (that) 🔊 Do you have any proof that this man stole your bag? 🔊 There is no proof that the document is authentic.2copy [countable usually plural] technicalTCN a copy of a piece of writing or a photograph that is checked carefully before the finalprinting is done 🔊 Can you check these proofs?3mathematics [countable]a)HMa test in mathematics of whether a calculation is correctb)HMa list of reasons that shows a theorem (=statement) in geometry to be true4 →the proof of the pudding (is in the eating)5alcohol [uncountable]DFD a measurement of the strength of some types of alcoholic drink, especially spirits 🔊 70% proof vodka (=that contains 70% pure alcohol) British English 🔊 70 proof vodka (=that contains 35% pure alcohol) American EnglishCOLLOCATIONSverbshave proofThe newspaper claimed it had proof that I worked for the CIA.provide/give proofYou will be required to provide proof of your identity.need proofHe needed proof to back up those allegations.there is proofThere is now proof that giant squid do exist.adjectivesfurther proof (=additional proof)He showed his driving licence as further proof of his identity.scientific proofThey say they have scientific proof that the treatment works.living proof (=someone whose existence or experience proves something)She is living proof that stress need not necessarily be ageing.clear proofHis indecision is clear proof of his inability to handle the situation.conclusive/tangible proof (=definite proof)There is no conclusive proof that your son is dead.phrasesproof of identity (=something that proves who you are)Do you have any proof of identity, such as a passport?proof of purchase (=something that proves you bought something from a particular place)We will give a refund only if proof of purchase is provided.proof of ownershipTake photos of anything unusual you own as proof of ownership.proof positive (=definite proof that cannot be doubted)Here is proof positive that she's wrong.the burden/onus of proof law (=the need to prove that you are right in a legal case)The burden of proof is on the prosecution.
proofproof3 verb [transitive] British English 🔊 🔊 1DCPROTECTto treat a material with a substance in order to protect it against water, oil etcbe proofed against something 🔊 climbing gear proofed against water Grammar Proof is usually passive in this meaning.2to proofread something 🔊 Do you want me to proof those documents for you?→ See Verb table
Examples from the Corpus
proof• It also controls the backgroundbatchmachines used to support proofing.• This yeast is added directly to the dough, with-out need for proofing.• The first part of proofing is as simple as creating white space.• Any lexicographer may obtainentrytext for read only or for proofing regardless of ownership or the status of the on-loan flag.-proof-proof /pruːf/ suffix 🔊 🔊 1[in adjectives]PROTECT used to describe something which a particular thing cannot harm or pass through, or which protects people against that thing 🔊 a bulletproof car 🔊 a waterproof jacket 🔊 an ovenproof dish (=that cannot be harmed by heat)2[in adjectives] used to describe something which cannot easily be affected or damaged by someone or something 🔊 a childproof container 🔊 vandal-proof3[in verbs]PROTECT to treat or make something so that a particular thing cannot harm it or pass through it, or so that it gives protection against it 🔊 soundproof a room (=so that sound cannot get into or out of it)