What's the difference between crack and rock?

Crack


Definition:

  • (v. t.) To break or burst, with or without entire separation of the parts; as, to crack glass; to crack nuts.
  • (v. t.) To rend with grief or pain; to affect deeply with sorrow; hence, to disorder; to distract; to craze.
  • (v. t.) To cause to sound suddenly and sharply; to snap; as, to crack a whip.
  • (v. t.) To utter smartly and sententiously; as, to crack a joke.
  • (v. t.) To cry up; to extol; -- followed by up.
  • (v. i.) To burst or open in chinks; to break, with or without quite separating into parts.
  • (v. i.) To be ruined or impaired; to fail.
  • (v. i.) To utter a loud or sharp, sudden sound.
  • (v. i.) To utter vain, pompous words; to brag; to boast; -- with of.
  • (n.) A partial separation of parts, with or without a perceptible opening; a chink or fissure; a narrow breach; a crevice; as, a crack in timber, or in a wall, or in glass.
  • (n.) Rupture; flaw; breach, in a moral sense.
  • (n.) A sharp, sudden sound or report; the sound of anything suddenly burst or broken; as, the crack of a falling house; the crack of thunder; the crack of a whip.
  • (n.) The tone of voice when changed at puberty.
  • (n.) Mental flaw; a touch of craziness; partial insanity; as, he has a crack.
  • (n.) A crazy or crack-brained person.
  • (n.) A boast; boasting.
  • (n.) Breach of chastity.
  • (n.) A boy, generally a pert, lively boy.
  • (n.) A brief time; an instant; as, to be with one in a crack.
  • (n.) Free conversation; friendly chat.
  • (a.) Of superior excellence; having qualities to be boasted of.

Example Sentences:

  • (1) They’re no crack force either; many are rather portly!
  • (2) While superheroes like “superman” (21st in SplashData’s 2014 rankings) and “batman” (24th) may be popular choices for passwords, the results if they are cracked could be anything other than super – and users will only have themselves to blame.
  • (3) However, we have observed cracks on the Dacron fibers, fiber fracture, fiber protrusion, and poor attachment to the diaphragm, which can cause potentially disastrous complications.
  • (4) But instead, he is going to crack under public anger over the huge amounts senior bankers have been paying themselves.
  • (5) It is found that, in contrast to most metallic materials yet in keeping with many ceramics, there are no distinct fracture morphologies in pyro-carbons which are characteristic of a specific mode of loading; fracture surfaces appear to be identical for both catastrophic and subcritical crack growth under either sustained or cyclic loading.
  • (6) Iowa senator Chuck Grassley, the Republican who chairs the Senate judiciary committee, introduced legislation on Tuesday that would crack down on jurisdictions that provide safe harbor for undocumented migrants by withholding some federal funding for state and local entities if they decline to cooperate with the government on the holding or transferring of undocumented migrants with criminal records.
  • (7) In a single letter in February 2005, Charles urged a badger cull to prevent the spread of bovine tuberculosis – damning opponents to the cull as “intellectually dishonest”; lobbied for his preferred person to be appointed to crack down on the mistreatment of farmers by supermarkets; proposed his own aide to brief Downing Street on the design of new hospitals; and urged Blair to tackle an EU directive limiting the use of herbal alternative medicines in the UK.
  • (8) On second impacts, the GSI rose considerably because the shell and liner of the DH-151 cracked and the suspension of the "141" stretched during the first blow.
  • (9) 9.18pm: The Ohio Democrat Dennis Kucinich has a crack, and he's taking no prisoners: "We've heard Mr Toyoda say that Toyota grew to fast.
  • (10) Here come the Dodgers for another crack at it in the second.
  • (11) That led to the second breakthrough, as the once formidable laws of omerta - silence punishable by death - cracked.
  • (12) The passengers were then flown to an Australian icebreaker, the Aurora Australis, which had cracked through ice floes and was now sailing towards Australia's Casey research base.
  • (13) SEM of the resulting surface showed rounded fragments of enamel rods, enamel melting, cracks, and smooth-edged voids.
  • (14) According to the NYPD commissioner, Bill Bratton, whose voice almost cracked with emotion as he addressed the media on Saturday evening , the “digital warning poster” featuring a picture of Brinsley and his whereabouts arrived at the data centre at 2.47pm.
  • (15) As subcritical crack velocities under cyclic loading were found to be many orders of magnitude faster than those measured under equivalent monotonic loads and to occur at typically 45% lower stress-intensity levels, cyclic fatigue in pyrolytic carbon-coated graphite is reasoned to be a vital consideration in the design and life-prediction procedures of prosthetic devices manufactured from this material.
  • (16) It is hence impossible to wiretap, intercept or crack the information transmitted through it,” Xinhua reported after Tuesday’s launch.
  • (17) He just never dreamed it would be life without parole.” Obama reduces sentences of 46 inmates convicted of nonviolent drug crimes Read more As his sister put it, Bennett “got caught up” in a five-man drug ring run by an old friend, John Hansley, to pay for his addiction to crack.
  • (18) Spencer has now heard that Andy, who got the boat remember, has been cracking on to Louise, even though Jamie warned him it would be like jumping into a polar bear's nest.
  • (19) "I urge both the monks and the lay Tibetans of the area not to do anything that might be used as a pretext by the local authorities to massively crack down on them.
  • (20) Of 26 patients treated to date, 16 have been crack cocaine users.

Rock


Definition:

  • (n.) See Roc.
  • (n.) A distaff used in spinning; the staff or frame about which flax is arranged, and from which the thread is drawn in spinning.
  • (n.) A large concreted mass of stony material; a large fixed stone or crag. See Stone.
  • (n.) Any natural deposit forming a part of the earth's crust, whether consolidated or not, including sand, earth, clay, etc., when in natural beds.
  • (n.) That which resembles a rock in firmness; a defense; a support; a refuge.
  • (n.) Fig.: Anything which causes a disaster or wreck resembling the wreck of a vessel upon a rock.
  • (n.) The striped bass. See under Bass.
  • (v. t.) To cause to sway backward and forward, as a body resting on a support beneath; as, to rock a cradle or chair; to cause to vibrate; to cause to reel or totter.
  • (v. t.) To move as in a cradle; hence, to put to sleep by rocking; to still; to quiet.
  • (v. i.) To move or be moved backward and forward; to be violently agitated; to reel; to totter.
  • (v. i.) To roll or saway backward and forward upon a support; as, to rock in a rocking-chair.

Example Sentences:

  • (1) I approached the public inquiry after much soul-searching, weighing up the ramifications of "rocking the boat" with the potential longer-term gains of a more robust and sustainable regulator.
  • (2) He had links to networks including the Hammerskin Nation and was involved in an underground music scene often referred to as "white power music" or "hate rock".
  • (3) The Ibiza Rocks hotel is aimed at a young clientele who'd never make it into the VIP section of Pacha.
  • (4) Meanwhile, Brighton rock duo Royal Blood top this week's album chart with their self-titled album, scoring the UK's fastest selling British rock debut in three years.
  • (5) Facebook Twitter Pinterest Trump signs order reviving controversial pipeline projects “The Obama administration correctly found that the Tribe’s treaty rights needed to be respected, and that the easement should not be granted without further review and consideration of alternative crossing locations,” said Jan Hasselman, an attorney for the Standing Rock Sioux tribe.
  • (6) One species (the goldfish) has an extensive fundus circulation while the other (the rock bass) has a minimal one.
  • (7) You can tell them that Deutsche Bank remains absolutely rock solid, given our strong capital and risk position.
  • (8) Rocking the hepatocyte-splenocyte cultures changed the elution profile from linear to convex.
  • (9) The 180-acre imperial palace appears to send ripples through the surrounding urban grain like a rock thrown into a pond, forming the successive layers of ring-roads.
  • (10) Russell is a former director of Northern Rock while Crosby is the former chief executive of HBOS.
  • (11) Gunfire and explosions rocked Bangkok following clashes between pro-government "red shirts" and protesters, leading to fears of further violence as Thais head to the polls.
  • (12) "And if you're pursuing music as the equivalent of your nine-to-five, and you'd quite like to be doing that for years to come, it's in your interest not to rock the boat."
  • (13) It was sparked by Ferguson's decision to sue Magnier over the lucrative stud fees now being earned by retired racehorse Rock of Gibraltar, which the Scot used to co-own.
  • (14) The involvement of one of South Korea’s most powerful men has rocked the country’s business world, as it signalled that prosecutors were prepared to use the full force of the law against the head of a company whose revenues are equivalent to a fifth of the country’s GDP.
  • (15) Emotional reactivity of patients with endogenous depression and healthy test subjects towards classic and rock music was compared.
  • (16) The Volkswagen Group has announced €1bn (£750m) of spending cuts at its core VW division to help pay for a product overhaul following the emissions testing scandal that has rocked Europe’s biggest carmaker.
  • (17) Loss-making Northern Rock is axing another 680 jobs as it cuts costs in preparation for a return to the private sector after being nationalised in February 2008 .
  • (18) Big musical acts (such as BB King, Keith Urban and Queens of the Stone Age) appear during the summer concert lineup but there are also drop-in yoga sessions, and hiking and biking trails wind through sculpted rocks and wildflowers.
  • (19) Just about.” That one went over like a sublime Chris Rock riff.
  • (20) For a while yesterday, Hazel Blears's selfishly-timed resignation with her rude "rock the boat" brooch send shudders of revulsion through some in the party.