What's the difference between imperceptive and obtuse?

Imperceptive


Definition:

  • (a.) Unable to perceive.

Example Sentences:

  • (1) That cameo seemed horribly emblematic of a thoroughly underwhelming opening half which ended unadorned by a single shot on target, but almost imperceptibly something was shifting, and Klopp’s demeanour slowly shifted from jovially laid-back to scratchy and irritable.
  • (2) That shift might be imperceptible on paper, but where Araki's earlier work affected a certain nihilistic cool, Kaboom is  warm and sympathetic towards its characters.
  • (3) In addition, cocaine's effects on food and water consumption and urine and fecal excretion, which were maximal by day 2, were imperceptible by day 5.
  • (4) The significance of two handwritten numbers scribbled almost imperceptibly on the back had been overlooked until now.
  • (5) The chronic persistent hepatitis, however, may develop through clinically imperceptible changes into a chronic aggressive hepatitis, and the inapparent acute hepatitis can even pass over directly into cirrhosis.
  • (6) The cancerolytic effect of active systemic immunotherapy, which has been shown experimentally able to eradicate a complete population of tumour cells provided they are not very numerous, has been confirmed in various forms of human leukemia and in a few solid tumours against which it was applied as treatment of the imperceptible residual disease which remains after chemotherapy or surgery.
  • (7) After a visit to the camp in 1966, Joan Didion described Sandperl as a man who looked as if he had, "all his life, followed some imperceptibly but fatally askew rainbow" and the institute as naive.
  • (8) Disadvantages of this technique are the external incision across the columella, which leaves an imperceptible scar of no clinical significance, and postoperative nasal tip edema, which resolves with time.
  • (9) Timing measures were obtained from subjects instructed to tap a Morse key in synchrony with a metronome which marked a timing pattern consisting of alternating blocks of intervals of imperceptibly different duration.
  • (10) He was 36 yards out but his hard, flat shot fizzed past a poorly positioned wall, seeming to swish slightly, almost imperceptibly right then left then right again, like the tailfin of a dolphin.
  • (11) Early radiologic signs of the hematoma consisted of obliteration of the aortic silhouette on the anteroposterior view and the left primary sulcus on the lateral film by a convex expanding homogenous density whose medial border blended imperceptibly with the mediastinal shadow.
  • (12) With little hope, he pressed on with his appeals and, almost imperceptibly at first, fortune's wheel began to turn.
  • (13) The remarkable sensitivity of the liver to small changes in glycemia implies that the normal coupling of the exercise-induced increase in Ra to glucose utilization may be signaled by small, nearly imperceptible changes in glucose.
  • (14) Berry mustered only five more points; and almost imperceptibly, Villanova seized control, soaring to a 10 point lead inside the last five minutes.
  • (15) It was established that all forms of ischaemic heart disease are accompanied by a significant potassium deficit imperceptible for blood and urine examinations of their electrolyte composition.
  • (16) Additionally, scattered cells showing a signet ring configuration were present, and in two cases, focal areas displaying chondromyxoid elements were also seen that appeared to merge imperceptibly with the surrounding spindle cell population.
  • (17) Pregnancy rates (highest among younger age and low parity groups) were influenced significantly and almost equally by age and parity but imperceptibly by ethnic origin.
  • (18) However, after incubation with hyaluronidase followed by staining with Lycramine brilliant blue JL, staining of megakaryocyte cytoplasm was either imperceptible or very pale blue.
  • (19) Another alternative way consists in the reinforcement of conditioning aiming both at the elimination of residual immunocompetent cells and at a more efficient action upon the imperceptible tumoral mass.
  • (20) An initially slow start vindicated their decision but, almost imperceptibly, the entertainment value rose.

Obtuse


Definition:

  • (superl.) Not pointed or acute; blunt; -- applied esp. to angles greater than a right angle, or containing more than ninety degrees.
  • (superl.) Not having acute sensibility or perceptions; dull; stupid; as, obtuse senses.
  • (superl.) Dull; deadened; as, obtuse sound.

Example Sentences:

  • (1) Extensive research among the Afghan National Army – 68 focus groups – and US military personnel alike concluded: "One group sees the other as a bunch of violent, reckless, intrusive, arrogant, self-serving profane, infidel bullies hiding behind high technology; and the other group [the US soldiers] generally views the former as a bunch of cowardly, incompetent, obtuse, thieving, complacent, lazy, pot-smoking, treacherous, and murderous radicals.
  • (2) Vessel attempted: Left anterior descending (3), circumflex (4), obtuse marginal (2), diagonal (1), right coronary artery (3), and internal thoracic artery (1).
  • (3) The lesions classified as distal were located in left anterior descending (LAD) artery beyond the origin of second diagonal (D2), left circumflex (LCx) after the main obtuse marginal (OM) and right coronary artery (RCA) after the origin of acute marginal branch.
  • (4) The vascular diameter of obtuse marginal coronary arteries was determined by means of gated color arteriography (injection of patent blue dye).
  • (5) There were still quite a few Marxists at Oxford in those days – Terry Eagleton and his clique were seemingly bolted to the same table in the King’s Arms the entire time I  was an undergraduate – but while I was silly and naive enough to believe in the purifying, energising effects of violent revolution, I wasn’t obtuse enough to think of dialectical materialism as anything more than a powerful heuristic.
  • (6) An obtuse chest wall intersecting angle and the length of the neighboring borders of the tumor and chest wall were of limited value.
  • (7) They analyze the radiographs according to thorough criterions, described in the text, and come to the conclusion that intrahepatic biliary ducts in cirrhotic livers present serious alterations, represented by distorted ducts with focal stenoses, nodular impressions, wall irregularities, increase of the number of obtuse angles and poor peripheral filling, which confer a disharmonic aspect to the intra-hepatic biliary ducts of these organs.
  • (8) Such an ill-informed and illogical standpoint is a worrying sign of ideologically driven obtuseness.
  • (9) By depressing the fundus of the stomach, the angle of His was made more obtuse and the flap valve component eliminated.
  • (10) 7) As a result of cephalometric diagnosis, the nasion appeared to be protruded, therefore maxillary and mandibular seemed to be relatively retracted, and the gonial angle was obtuse.
  • (11) On cooling, there is a substantial change in the unit cell beta-angle from obtuse (93.3 degrees) to acute (85.5 degrees) which involves a shearing motion of 2.5 A between adjacent molecular layers.
  • (12) Patient 2 (62-year-old woman) underwent simultaneous operation of both right nephrectomy and triple aortocoronary bypass grafting (saphenous vein grafts to obtuse marginal branch and right coronary artery, and left internal mammary artery to left anterior descending artery).
  • (13) Laser angioplasty of the vein graft to the obtuse marginal branch reduced the first of three sequential lesions from 60% to 40%, the second lesion from 90% to none and the third from 60% to 20% without the need for balloon angioplasty.
  • (14) The subaortal cone and deferent part of the left ventricular axes make an obtuse angle; the axes of the subpulmonary and subaortal cones have a cross direction.
  • (15) In comparison with white norms, the Chinese nose was less prominent (P < .01), the nasolabial angle was less obtuse (P < .01), both the upper and lower lips were more protrusive (P < .05), the upper lip curvature was greater (P < .01), and the soft-tissue chin thickness was less (P < .05).
  • (16) The cleft group differed from the control group in several major respects: (1) Their over-all growth trend showed a more downward or vertical direction; (2) The cranial base angle was more flattened; (3) The maxilla was smaller and was located in a more posterior and upward position; (4) Ramal height was shorter and the gonial angle was more obtuse.
  • (17) The obstacle could yet be an inability on the part of so many enthusiasts to work together, and an obtuse academic dismissal of a technology that can release to the world a new delight in the past.
  • (18) A difference in the appearance of the hypothalamic and infundibular recesses in the primary empty sella group with SVS herniation (dilated recesses and formation of an obtuse angle) and in the secondary empty sella group with SVS herniation (nondilated recesses and formation of an acute angle) was observed.
  • (19) An obtuse or sharp angle between duct planes can lead to better performance of a particular labyrinth because the "external impulses" in the different ducts may amplify or compensate each other.
  • (20) The nasolabial angle became more obtuse increasing from 80.7 degrees to 90.7 degrees.

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