What's the difference between cleft and crack?

Cleft


Definition:

  • (imp.) of Cleave
  • (p. p.) of Cleave
  • () imp. & p. p. from Cleave.
  • (a.) Divided; split; partly divided or split.
  • (a.) Incised nearly to the midrib; as, a cleft leaf.
  • (n.) A space or opening made by splitting; a crack; a crevice; as, the cleft of a rock.
  • (n.) A piece made by splitting; as, a cleft of wood.
  • (n.) A disease in horses; a crack on the band of the pastern.

Example Sentences:

  • (1) Intraepidermal clefting starts at the junction between the basal and epidermal layers, and later involves all of the levels of the stratum spinosum.
  • (2) Closure of both cleft spaces by orthodontic means was achieved in 20 of the 21 patients in the first group, and in 14 of the 20 patients in the second group.
  • (3) In the absence of prostigmine, increasing the concentration of ACh in the synaptic cleft did not change the time constant for decay of end-plate currents.
  • (4) Both types of oral cleft, cleft palate (CP) and cleft lip with or without CP (CLP), segregate in these families together with lower lip pits or fistulae in an autosomal dominant mode with high penetrance estimated to be K = .89 and .99 by different methods.
  • (5) Three different structures have been observed among the binding proteins: unliganded 'open cleft', liganded 'open cleft', and liganded 'closed cleft'.
  • (6) Retrognathia or retrusion of the maxilla and mid-face is present in about one-third of treated cleft palate patients.
  • (7) At S-L clefts, paranodal-nodal regions, and Schwann cell nuclei, the axonal areas were smaller and the NF densities were higher than at compact myelinated regions.
  • (8) Cleft palate was found in 98.1% of fetuses in the positive control group and none of them in the negative control group.
  • (9) Recent reports have indicated the usefulness of nuclear grooves (clefts or notches) as an additional criterion for the diagnosis of papillary thyroid carcinoma in fine needle aspirates; most of these studies were carried out on alcohol-fixed material stained with the Papanicolaou stain or with hematoxylin and eosin, which yield good nuclear details.
  • (10) The question of how the contraction of adjacent endothelial cells might widen the intercellular clefts and thus regulate permeability is discussed.
  • (11) An examination of 9720 Zagreb school children, 6-13 years of age, revealed submucous cleft palate (SMCP) in 5 and cleft uvula in 232.
  • (12) These factors include narrowing of septal arteries and the artery to the atrioventricular node, preservation of fetal anatomy with dispersion in the atrioventricular node and His bundle, fibrosis of the sinus node, clefts in the septum, multiple atrioventricular pathways and massive myocardial infarction.
  • (13) Although maternal ingestion of antiepileptic drugs is strongly suspected of causing congenital defects, particularly oral clefts, the effect of epilepsy itself or a combined effect of drug intake and epilepsy have not been excluded as etiological factors.
  • (14) To clarify the mechanism by which retinoid causes cleft palate, we investigated the effect of retinoic acid (RA) on proliferation activity and glycosaminoglycan (GAG) synthesis in mouse fetuses palatal mesenchymal (MFPM) cells.
  • (15) The blood lymphocytes were small with scanty cytoplasm, densely condensed nuclear chromatin, and deep clefts originating in sharp angles from the nuclear surface.
  • (16) The familial association of epilepsy and cleft lip with or without cleft palate (CL (P)) is analyzed assuming both entities share common genetic predisposing factors.
  • (17) In the following, there will be indicated the approved techniques and methods of suturing the cleft palate and a new method will be discussed related to the reciprocal Z-type plastic operation.
  • (18) Fifty per cent of the children with clefts of the palate and lip had deviated nasal septum producing nasal obstruction.
  • (19) A family is reported of 500 facial cleft index cases, attendees for plastic surgery review at hospitals in northern England.
  • (20) An infant with a complete unilateral cleft of the lip and palate underwent maxillary expansion treatment using an oral orthopedic appliance.

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.