{ bidder: 'openx', params: { unit: '539971070', delDomain: 'idm-d.openx.net' }}, { bidder: 'ix', params: { siteId: '195464', size: [120, 600] }}, { bidder: 'ix', params: { siteId: '195453', size: [300, 250] }}, { bidder: 'sovrn', params: { tagid: '448841' }}, { bidder: 'sovrn', params: { tagid: '346693' }}, { bidder: 'ix', params: { siteId: '195457', size: [320, 50] }}, enableSendAllBids: false, { bidder: 'ix', params: { siteId: '195453', size: [300, 250] }}, var pbHdSlots = [

{ bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }},

googletag.pubads().set("page_url", "https://dictionary.cambridge.org/dictionary/english/rock"); { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }},

rock synonyms, rock pronunciation, rock translation, English dictionary definition of rock. mineral matter variously composed, formed in masses or large quantities in the earth's { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_mpuslot4_flex' }}, See more. { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_mpuslot3' }}]}, From Longman Dictionary of Contemporary English, a piece of rock, especially a large one that, someone who always gives you support and who you can, be (stuck) between a rock and a hard place. 'increment': 0.5,

The beach was covered with smooth white pebbles. Create an account and sign in to access this FREE content. Browse our dictionary apps today and ensure you are never again lost for words. 'min': 0, Wall Street was rocked by the news and shares fell 4.3 per cent by the end of trading. { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_mpuslot' }}, { bidder: 'appnexus', params: { placementId: '11654157' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_leftslot' }}, { bidder: 'ix', params: { siteId: '195457', size: [300, 50] }}, { bidder: 'appnexus', params: { placementId: '11654156' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, googletag.pubads().setTargeting("cdo_pc", "dictionary");

{ bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_mpuslot' }}, "loggedIn": false

{ bidder: 'ix', params: { siteId: '195459', size: [320, 50] }}, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776140', position: 'atf' }}, googletag.pubads().setTargeting("cdo_t", "earth-and-outer-space"); { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot' }}, Steps had been carved out of the solid rock. { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_mpuslot1' }}]},

{ bidder: 'ix', params: { siteId: '195457', size: [320, 100] }}, var mapping_btmslot_a = googletag.sizeMapping().addSize([746, 0], [[300, 250], 'fluid']).addSize([0, 0], [[300, 250], [320, 50], [300, 50], 'fluid']).build(); var pbDesktopSlots = [ { bidder: 'ix', params: { siteId: '195455', size: [320, 100] }}, { bidder: 'ix', params: { siteId: '195459', size: [300, 50] }}, googletag.enableServices(); His body rocked from side to side with the train. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, var mapping_topslot_b = googletag.sizeMapping().addSize([746, 0], [[728, 90]]).addSize([0, 0], []).build(); { bidder: 'ix', params: { siteId: '195453', size: [300, 50] }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776148', position: 'btf' }}, { bidder: 'sovrn', params: { tagid: '446381' }}, { bidder: 'openx', params: { unit: '539971067', delDomain: 'idm-d.openx.net' }},

{ bidder: 'sovrn', params: { tagid: '387232' }}, {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250], [320, 50], [300, 50]] } }, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776142', position: 'btf' }},

She bent down, picked up a rock and threw it into the trees. 'increment': 0.05, iasLog("criterion : cdo_dc = english"); expires: 365 His leg was trapped under a large lump of rock. bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776346', position: 'btf' }}, {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250], [320, 50], [300, 50]] } }, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776340', position: 'btf' }}, { bidder: 'appnexus', params: { placementId: '11654195' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_HDX' }}, var mapping_houseslot_b = googletag.sizeMapping().addSize([963, 0], []).addSize([0, 0], [300, 250]).build(); { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_mpuslot4' }}]}]; bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '1666926', position: 'btf' }}, Copyright © 2010 by { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_mpuslot' }},

if(window.__tcfapi) dfpSlots['rightslot2'] = googletag.defineSlot('/2863368/rightslot2', [[300, 250], [120, 600], [160, 600]], 'ad_rightslot2').defineSizeMapping(mapping_rightslot2).setTargeting('sri', '0').setTargeting('vp', 'mid').setTargeting('hp', 'right').setTargeting('ad_group', Adomik.randomAdGroup()).addService(googletag.pubads());

{ bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_mpuslot3_mobile_flex' }},

type: "html5", { bidder: 'openx', params: { unit: '539971080', delDomain: 'idm-d.openx.net' }},

{ bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_topslot' }}, { bidder: 'ix', params: { siteId: '195455', size: [300, 50] }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_mpuslot' }}, } { bidder: 'openx', params: { unit: '539971079', delDomain: 'idm-d.openx.net' }}, { bidder: 'sovrn', params: { tagid: '448834' }}, ga('require', 'displayfeatures'); { bidder: 'ix', params: { siteId: '555365', size: [160, 600] }}, {code: 'ad_contentslot_1', pubstack: { adUnitName: 'cdo_mpuslot', adUnitPath: '/2863368/mpuslot' }, mediaTypes: { banner: { sizes: [[300, 250], [336, 280]] } }, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_mpuslot' }}, expires: 365 … {code: 'ad_leftslot', pubstack: { adUnitName: 'cdo_leftslot', adUnitPath: '/2863368/leftslot' }, mediaTypes: { banner: { sizes: [[120, 600], [160, 600], [300, 600]] } }, type: "html5", { bidder: 'openx', params: { unit: '541042770', delDomain: 'idm-d.openx.net' }}, { bidder: 'appnexus', params: { placementId: '11653860' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776144', position: 'btf' }}, 'max': 3, 'cap': true { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, {code: 'ad_topslot_b', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[728, 90]] } }, { bidder: 'ix', params: { siteId: '555365', size: [120, 600] }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776130', position: 'btf' }}, Vocabulary exercises help you to learn synonyms, collocations and idioms.