What's the difference between clear and obtuse?

Clear


Definition:

  • (v. i.) To make exchanges of checks and bills, and settle balances, as is done in a clearing house.
  • (v. i.) To obtain a clearance; as, the steamer cleared for Liverpool to-day.
  • (superl.) Free from opaqueness; transparent; bright; light; luminous; unclouded.
  • (superl.) Free from ambiguity or indistinctness; lucid; perspicuous; plain; evident; manifest; indubitable.
  • (superl.) Able to perceive clearly; keen; acute; penetrating; discriminating; as, a clear intellect; a clear head.
  • (superl.) Not clouded with passion; serene; cheerful.
  • (superl.) Easily or distinctly heard; audible; canorous.
  • (superl.) Without mixture; entirely pure; as, clear sand.
  • (superl.) Without defect or blemish, such as freckles or knots; as, a clear complexion; clear lumber.
  • (superl.) Free from guilt or stain; unblemished.
  • (superl.) Without diminution; in full; net; as, clear profit.
  • (superl.) Free from impediment or obstruction; unobstructed; as, a clear view; to keep clear of debt.
  • (superl.) Free from embarrassment; detention, etc.
  • (n.) Full extent; distance between extreme limits; especially; the distance between the nearest surfaces of two bodies, or the space between walls; as, a room ten feet square in the clear.
  • (adv.) In a clear manner; plainly.
  • (adv.) Without limitation; wholly; quite; entirely; as, to cut a piece clear off.
  • (v. t.) To render bright, transparent, or undimmed; to free from clouds.
  • (v. t.) To free from impurities; to clarify; to cleanse.
  • (v. t.) To free from obscurity or ambiguity; to relive of perplexity; to make perspicuous.
  • (v. t.) To render more quick or acute, as the understanding; to make perspicacious.
  • (v. t.) To free from impediment or incumbrance, from defilement, or from anything injurious, useless, or offensive; as, to clear land of trees or brushwood, or from stones; to clear the sight or the voice; to clear one's self from debt; -- often used with of, off, away, or out.
  • (v. t.) To free from the imputation of guilt; to justify, vindicate, or acquit; -- often used with from before the thing imputed.
  • (v. t.) To leap or pass by, or over, without touching or failure; as, to clear a hedge; to clear a reef.
  • (v. t.) To gain without deduction; to net.
  • (v. i.) To become free from clouds or fog; to become fair; -- often followed by up, off, or away.
  • (v. i.) To disengage one's self from incumbrances, distress, or entanglements; to become free.

Example Sentences:

  • (1) Lucy and Ed will combine coverage of hard and breaking news with a commitment to investigative journalism, which their track record so clearly demonstrates”.
  • (2) These immunocytochemical studies clearly demonstrated that cells encountered within the fibrous intimal thickening in the vein graft were inevitably smooth muscle cell in origin.
  • (3) Intravesical BCG is clearly superior to oral BCG, and controlled studies have demonstrated that percutaneous administration is not necessary.
  • (4) I want to be clear; the American forces that have been deployed to Iraq do not and will not have a combat mission,” said Obama in a speech to troops at US Central Command headquarters in Florida.
  • (5) Although solely nociresponsive neurons are clearly likely to fill a role in the processing and signalling of pain in the conscious central nervous system, the way in which such useful specificity could be conveyed by multireceptive neurons is difficult to appreciate.
  • (6) The findings clearly reveal that only the Sertoli-Sertoli junctional site forms a restrictive barrier.
  • (7) Although antihistamines are widely used for symptomatic treatment of seasonal (allergic) rhinitis, the role of histamines in the pathogenesis of infectious rhinitis is not clear.
  • (8) The present results provide no evidence for a clear morphological substrate for electrotonic transmission in the somatic efferent portion of the primate oculomotor nucleus.
  • (9) But the sports minister has been clear that too many sports bodies are currently not delivering in bringing new people from all backgrounds to their sport.
  • (10) Spermine clearly activated 45Ca uptake by coupled mitochondria, but had no effect on Ca2+ egress from mitochondria previously loaded with 45Ca.
  • (11) Anaerobes, in particular Bacteroides spp., are the predominant bacteria present in mixed intra-abdominal infections, yet their critical importance in the pathogenicity of these infections is not clearly defined.
  • (12) In the German Democratic Republic, patients with scleroderma and history of long term silica exposure are recognized as patients with occupational disease even though pneumoconiosis is not clearly demonstrated on X-ray film.
  • (13) But it will be a subtle difference, because it's already abundantly clear there's no danger of the war being suddenly forgotten, or made to seem irrelevant to our sense of what Europe and the world has to avoid repeating.
  • (14) However in the deciduous teeth from which the successional tooth germs were removed, the processes of tooth resorption was very different in individuals, the difference between tooth resorption in normal occlusal force and in decreased occlusal force was not clear.
  • (15) The trophozoites and pseudocysts could be clearly demonstrated by immunohistochemistry.
  • (16) There is precedent in Islamic law for saving the life of the mother where there is a clear choice of allowing either the fetus or the mother to survive.
  • (17) The results clearly show that the acute hyperthermia of unrestrained rats induced by either peripheral or central injections of morphine is not caused by activation of the pituitary-adrenal axis.
  • (18) A full-scale war is unlikely but there is clear concern in Seoul about the more realistic threat of a small-scale attack on the South Korean military or a group of islands near the countries' disputed maritime border in the Yellow Sea.
  • (19) The pathogenicity of Mycoplasma pneumoniae in atypical pneumonias can be considered confirmed according to the availabile literature; its importance for other inflammatory diseases of the respiratory tract, particularly for chronic bronchitis, is not yet sufficiently clear.
  • (20) It is especially efficacious in evaluating patients with cystic lesions, especially those with complex cysts not clearly of water density.

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.