What's the difference between crack and fissure?

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.

Fissure


Definition:

  • (n.) A narrow opening, made by the parting of any substance; a cleft; as, the fissure of a rock.
  • (v. t.) To cleave; to divide; to crack or fracture.

Example Sentences:

  • (1) Formation of the functional contour plaster bandage within the limits of the foot along the border of the fissure of the ankle joint with preservation of the contours of the ankles 4-8 weeks after the treatment was started in accordance with the severity of the fractures of the ankles in 95 patients both without (6) and with (89) dislocation of the bone fragments allowed to achieve the bone consolidation of the ankle fragments with recovery of the supportive ability of the extremity in 85 (89.5%) of the patients, after 6-8 weeks (7.2%) in the patients without displacement and after 10-13 weeks (11.3%) with displacement of the bone fragments of the ankles.
  • (2) The results are discussed in terms of both electrical and magnetic models of the calcarine fissure.
  • (3) Duane's retraction syndrome is a congenital eye movement disorder characterized by a deficiency of abduction, mild limitation of adduction, with retraction and narrowing of the palpebral fissure on attempted adduction.
  • (4) About 40% of all cysts were located along the midline, the sylvian fissure representing the predominant location.
  • (5) A propensity for elevated shear in the deep cartilage layer near the contact periphery, observed in nearly all computed stress distributions, is consistent with previous experimental findings of fissuring at that level in the impulsively loaded rabbit knee.
  • (6) The club captain, whose return had been delayed due to his participation at Euro 2012 with Holland, underwent his medical assessment and he and the manager sought to put a professional front on what has been a deep fissure in their relationship.
  • (7) The supratentorial part of the brain was extremely small, consisting of an irregularly lobulated mass about 3cm in diameter and without any median fissure or ventricular cavity.
  • (8) Correlation with high-resolution computed tomography in two patients indicated that this opacity represented a sagittal orientation of the anterior minor fissure, with resultant inferomedial curving of the right upper lobe of the lung along the right border of the heart.
  • (9) 19% of patients also suffered from chronic anal fissure which were treated by internal lateral sphincterotomy.
  • (10) Decreased colonization by S. mutans was found in the dental plaque collected from smooth surfaces and fissures and in saliva of subjects whose teeth were treated with the MAb, as compared with the saline-treated control subjects.
  • (11) Palpebral fissures are narrow with bilateral epicanthal folds, and the nasal bridge is hypoplasitc.
  • (12) The severity of fissured tongue changed with increasing age.
  • (13) Nodes were not found between the portal vein, hepatic artery and bile ducts in the fissures.
  • (14) For the experimental studies, fractures of the jaw bone in terms of oblique osteotomies from angle to sigmoid notch of the mandible of the Malaysian monkeys were made by using #700 fissure bur and reduced and fixed them in terms of interosseous wiring.
  • (15) An induction of TGF beta 1 mRNA was also observed in endothelial cells of the meninges, hippocampal fissure and choroid plexus, at 2 and 3 days.
  • (16) Following lobectomy of the right upper lobe of the lung, a single fissure, the neofissure, separates the right middle and lower lobes.
  • (17) This article outlines the authors' perceptions of the future of esthetic dental restorative materials such as composites, glass ionomer cements, pit and fissure sealants and laboratory fabricated resin.
  • (18) His achilles heel would be reconciling disparate sections of the grassroots party and restoring the fissures in the parliamentary party.
  • (19) We evaluated fissural (ie, visceral pleural) thickening on radiographs in two asbestos-exposed study populations and a control group.
  • (20) The purpose of this report is to document the current status of the teaching of pit and fissure sealants in British dental schools.