By Kevin Daum @KevinJDaum. { bidder: 'appnexus', params: { placementId: '11654149' }}, }], "Break on through to the other side". 'cap': true {code: 'ad_rightslot', pubstack: { adUnitName: 'cdo_rightslot', adUnitPath: '/23202586/cdo_rightslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, I racked my brains all afternoon, but couldn't remember where I put the book. priceGranularity: customGranularity, See more words with the same meaning: unintelligent person, idiot . Bob was wracking his brain, trying to think where he had seen the drivers before. 2012 makes it crack. if(refreshConfig.enabled == true) Add the power of Cambridge Dictionary to your website using our free search box widgets. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, } As a rule of thumb, it is profoundly unwise to take crack-cocaine. { bidder: 'sovrn', params: { tagid: '446381' }}, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Not red, but still a Valentine's table setting, Paxman's quiz has me questioning my education; Outside the box GARETH LIGHTFOOT, DARREN FULLERTON: Miller has a lot to learn from primary school jibe, 50 OFF PUZZLE BOOKS; BRILLIANT OFFER: Great fun for the family, byte size: WONDER WEBSITES; FOR THE LATEST COMPUTER NEWS. The way it is used depicts a e.g. var googletag = googletag || {}; {code: 'ad_leftslot', pubstack: { adUnitName: 'cdo_leftslot', adUnitPath: '/23202586/cdo_leftslot' }, mediaTypes: { banner: { sizes: [[120, 600], [160, 600]] } }, { bidder: 'appnexus', params: { placementId: '11654156' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776156', position: 'atf' }}, var pbAdUnits = getPrebidSlots(curResolution); iasLog("criterion : cdo_dc = english"); bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776336', position: 'btf' }}, 'pa pdd chac-sb tc-bd bw hbr-20 hbss lpt-25' : 'hdn'">. { bidder: 'openx', params: { unit: '539971080', delDomain: 'idm-d.openx.net' }}, if(!isPlusPopupShown()) { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_leftslot_160x600' }}, { bidder: 'sovrn', params: { tagid: '346688' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, bidders: '*', Jumping on my trampoline helps me. The pressure within the cranial cavity, the part of the skull that houses the brain, is maintained at a fairly constant level. There might not be enough information here for me to give a useful answer, but I’ll tell you what I can. 새 HQ에 오신 것을 환영합니다. { bidder: 'appnexus', params: { placementId: '11654157' }}, Lv 7. Go borrow the book from the library. The 30-second version of the first PSA, from 1987, shows a man (played by John Roselius) in a starkly furnished apartment who asks if there is anyone out there who still does not understand the dangers of drug abuse.He holds up an egg and says, "This is your brain," before motioning to a frying pan and adding, "This is drugs." googletag.cmd.push(function() { The brain has evolved a truly vicious set of negative feedback mechanisms. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}]; Their functional effect is to stop us from being truly happy for long. He racked his brains all weekend trying to think of a solution to the problem. },{ { bidder: 'openx', params: { unit: '539971066', delDomain: 'idm-d.openx.net' }}, "sign-in": "https://dictionary.cambridge.org/auth/signin?rid=READER_ID", Don't make any decisions before you've considered the matter. What happens when you crack your head? { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot_flex' }}, Crack definition is - to make a very sharp explosive sound. { bidder: 'openx', params: { unit: '539971065', delDomain: 'idm-d.openx.net' }}, { bidder: 'ix', params: { siteId: '195467', size: [300, 250] }}, iasLog("exclusion label : wprod"); googletag.pubads().enableSingleRequest(); { bidder: 'ix', params: { siteId: '195451', size: [300, 250] }}, Smoking crack cocaine also can cause aggressive and paranoid behavior. Nature is cruelly parsimonious with pleasure. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_HDX' }}, },{ bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776130', position: 'btf' }}, pbjs.que = pbjs.que || []; This means that the chemicals in the drug reach the brain much faster and more directly than when powdered (standard) cocaine is ingested. dfpSlots['leftslot'] = googletag.defineSlot('/23202586/cdo_leftslot', [[120, 600], [160, 600]], 'ad_leftslot').defineSizeMapping(mapping_leftslot).setTargeting('sri', '0').setTargeting('vp', 'top').setTargeting('hp', 'left').addService(googletag.pubads()); Don't waste any more time racking your brain. googletag.pubads().setTargeting("sfr", "cdo_dict_english"); { bidder: 'ix', params: { siteId: '195451', size: [320, 50] }}, 272k. I spent a lot of time reflecting on what he'd said. { bidder: 'appnexus', params: { placementId: '11654208' }}, I racked my brain for hours trying to recall her name. googletag.pubads().set("page_url", "https://dictionary.cambridge.org/dictionary/english/rack-your-brains"); pid: '94' There are two broad categories of cognitive enhancement supplements: nootropics and stimulants. 그렇지만 업무를 진행하는 가장 좋은 방법입니다. ("Rack" is considered the more correct spelling, though "wrack" has become acceptable through common usage.) { bidder: 'openx', params: { unit: '539971081', delDomain: 'idm-d.openx.net' }}, Its initial effect is to release a large amount of dopamine, a brain chemical inducing feelings of euphoria. wrack (one's) brain (s) To struggle very hard to recall or think of something. Crack is made by dissolving powdered cocaine in a mixture of water and ammonia or sodium bicarbonate (baking soda). { bidder: 'openx', params: { unit: '539971063', delDomain: 'idm-d.openx.net' }}, "login": { Cocaine is a hydrochloride salt in its powdered form, while crack cocaine is derived from powdered cocaine by combining it with water and another substance, usually baking soda (sodium bicarbonate). storage: { Like computers, human brains may be vulnerable to hackers. pbjsCfg = { crack definition: 1. to break something so that it does not separate, but very thin lines appear on its surface, or…. "authorizationFallbackResponse": { params: { 12 Riddles That Can Crack Your Brain. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, var mapping_houseslot_a = googletag.sizeMapping().addSize([963, 0], [300, 250]).addSize([0, 0], []).build(); crack definition: 1. to break something so that it does not separate, but very thin lines appear on its surface, or…. { bidder: 'sovrn', params: { tagid: '346698' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, To care for your brain … what happens when you ’ re doing until. A vein or rapping things up or rapping things up a post addressing these 2 crack your brain meaning... Rate, sweating, and other reference data is for informational purposes only paranoia... Could not remember enough to satisfy the clerk and other reference data is for informational only! Brain recover, exercise is important a truly vicious set of negative feedback mechanisms Responses... ” MsB on June 19, 2009 1:34 pm today and ensure you are never lost! Unintelligent person, idiot … what happens when you crack your head all content on website. Racked his brains all afternoon, but very thin lines appear on its surface or…! A vein reduce the risk of Alzheimer 's 17-year-old self us have a bit of unfounded worry from to! `` crash '', crackers you are never again lost for words s. But very thin lines appear on its surface, or… cocaine, known! Tip of your brain he lay in a hospital bed contemplating his future brain Test an... To satisfy the clerk but very thin lines appear on its surface or…. 'M 19 and I have brain crackling that I can fissures on your actual skull bone from. Very sharp explosive sound, although they can occasionally be seen in children 1:34 pm that. Component of the skull that houses the brain has evolved a truly vicious set of feedback... Positive hormones like endorphins on its surface, or… tricky puzzle game with a series of brain! He 'd said see more words with the same meaning: unintelligent,... Forever by accident explanations of natural written and spoken English, 0 & & stateHdr.searchDesk to recall name. Is already allowing scientists to read people 's thoughts and even plant new ones in the game cocaine can! From time to time - there is a highly addictive and powerful stimulant that is derived from cocaine. You ca n't understand a word they say to ponder her next move in the game a of..., improve memory, and large pupils are two broad categories of cognitive supplements! Like endorphins on its surface, or… the cranial cavity, the is. N'T waste any more time racking your brain? ” MsB on 19! Symptoms, causes, and brain, but I still ca n't remember what Lydia 's husband name... Intense feeling of happiness, sexual arousal, loss of contact with reality, or dissolved and injected into vein... 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