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Acute angle   /əkjˈut ˈæŋgəl/   Listen
Acute angle

noun
1.
An angle less than 90 degrees but more than 0 degrees.






WordNet 3.0 © 2010 Princeton University








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"Acute angle" Quotes from Famous Books



... them over the burning ties. It was found, however, that Burnside's corps could not cross at Ox Ford. Lee had taken a position with his centre on the river at this point, with the two wings thrown back, his line making an acute angle where it ...
— Memoirs of Three Civil War Generals, Complete • U. S. Grant, W. T. Sherman, P. H. Sheridan

... he stood on his head, with his legs at an acute angle in the air, in position very favored by him for moments of reflection—he said his brain worked better upside down. "Ma cantche! What a weakness, what a weakness! What remorse to have yielded to it! Beneath you, Picpon—utterly beneath you. Just because that ci-devant ...
— Under Two Flags • Ouida [Louise de la Ramee]

... butterfly invariably goes to sleep head downwards, its eyes looking straight down the stem of the grass. It folds and contracts its wings to the utmost, partly, perhaps, to wrap its body from the cold. But the effect is to reduce its size and shape to a narrow ridge, making an acute angle with the grass-stem, hardly distinguishable in shape and colour from the seed-heads on thousands of other stems around.[1] The butterfly also sleeps on the top of the stem, which increases its likeness to the natural finial of the grass. In the morning, when the sunbeams warm them, all these grey-pied ...
— The Naturalist on the Thames • C. J. Cornish

... distance they were covering. He guessed that they had been ten or fifteen minutes on the way, and that they might have gone a mile, when, after waiting for him to come almost near enough to speak to her, she began moving in a direction at an acute angle to that by which they had come. At the same time he perceived that they were on the side of a low wooded mountain and that they were beating their ...
— The Wild Olive • Basil King

... delivered this doleful annunciation, he assumed a posture of silent dejection, shaking his head slowly with the motion of a pendulum when it is ceasing to vibrate, and then remained stationary, his body stooping at a more acute angle than usual, and the latter part of his ...
— Waverley, Or 'Tis Sixty Years Hence, Complete • Sir Walter Scott

... who spoke, and, as he did so, he shoved forward his control-wheel post till the front elevating planes were dropped at an acute angle. There was a sharp snap as he opened the circuit and the roar of the propellers ...
— The Boy Aviators' Treasure Quest • Captain Wilbur Lawton

... parallel to the line first formed during the day. There had been no material advantage on either side. On the right the enemy had crossed the Antietam, it is true, but to a position no better than the night before. Our left and centre were bent back in somewhat more acute angle than on the morning, but to an equally good position. Not many prisoners were taken on either side in proportion to the magnitude of the battle. The enemy's loss in killed and wounded was a little more than ours, but so far as the day's battle goes, the loss and gain were about equal. ...
— History of Kershaw's Brigade • D. Augustus Dickert

... thus carried his point, adjusted his overseas cap at a more acute angle, turned back his coat to show his distinguished-conduct medal, and went blithely up the steps to the dance-hall. He was tall and outrageously thin, and pale with the pallor that comes from long confinement. His hands and ...
— Quin • Alice Hegan Rice

... I had concluded that Fate had set itself against my spending any of Isabel's money, and had made up my mind to make a fierce fight over the last stage of my journey, when I saw that a little ahead of where I was standing the road divided into two branches at an acute angle, one branch going to the right and the other ...
— The Woman Thou Gavest Me - Being the Story of Mary O'Neill • Hall Caine

... pipette nearly filled with sulphuric acid, sp. gr. 1.4, the lower point of which just dips below the mixture in the flask, and the upper end, carrying a rubber tube and pinch cock to control the flow of acid. Through the other opening passes a glass tube bent at an acute angle and connected by a short rubber tube to an adjoining flask, two-thirds filled with decinormal baryta solutions. These connections are all made air tight. Sulphuric acid is allowed in small portions at a time to flow into the mixture. Carbonic ...
— Scientific American Supplement, No. 324, March 18, 1882 • Various

... with wings helpless, the flying boat was no match for the Streamline now. She struck at an acute angle, rebounded in the air for a moment, and with a hiss skittered along over the waves, planing with the help of her exhaust under the ...
— The War Terror • Arthur B. Reeve

... from Yorkshire were sent me by Dr. Hooker. This species differs from the last in the stems and leaves being thicker or coarser; their divisions form a more acute angle with one another; the notches on the leaves bear three or four short bristles instead of one; and the bladders are twice as large, or about 1/5 of an inch (5.08 mm.) in diameter. In all essential respects the bladders ...
— Insectivorous Plants • Charles Darwin

... little divergence will, if the two paths are prolonged far enough, part their other ends by a world. Our way may go off from the ways of the Lord at a very acute angle. There may be scarcely any consciousness of parting company at the beginning. Let the man travel on upon it far enough, and the two will be so far apart that he cannot see God or hear Him speak. Take care of the little divergences which are habitual, for their accumulated results will be ...
— Expositions of Holy Scripture - Ezekiel, Daniel, and the Minor Prophets. St Matthew Chapters I to VIII • Alexander Maclaren

... to a tragical end in a different way. I found his body dangling among the bushes on a bank. Two small but tough grapevine twigs growing out horizontally and close together formed a very acute angle, and this was the trap in which the innocent bird was caught. In some way one of his legs had slipped between the branches, the angle of which became more acute, of course, toward the apex. Thus the more he struggled the more tightly his tarsus became ...
— Our Bird Comrades • Leander S. (Leander Sylvester) Keyser

... with admirable caution, and my brother trudged in the rear and took his cue from us. After five minutes of this the ground grew easier and at the same time steeper, and I guessed that we were slanting up the hillside and away from the torrent at an acute angle. The many twists and angles, and the utter darkness (for we were now moving between trees) had completely baffled my reckoning when—at the end of twenty minutes, perhaps—Mr. Mackenzie halted and allowed me to come ...
— The Laird's Luck • Arthur Quiller-Couch

... entrance opened from the heading into the air-way at an acute angle. He thought the boy might have turned into that, and he passed up through it and so into the chambers. He stopped at times to call Ralph's name, but no answer ever came. He wandered back, finally, toward the fall, and down into the heading ...
— Burnham Breaker • Homer Greene

... So, too, in the triumphal arches of the Roman Emperors little attention was paid to the relative and varying attitudes of the bas-reliefs. From Greek art the Parthenon Frieze gives a singular example of this unrealised law. When in situ the frieze was only visible at a most acute angle and in a most unfavourable light: beyond the steps it vanished altogether, so one was obliged to stand among the columns to see it at all, and it was also necessary to look upwards almost perpendicularly. The frieze is nearly three feet four inches high and its upper part is carved in rather ...
— Donatello • David Lindsay, Earl of Crawford

... a solid plank was required, and they had no saw. The axe and the hatchet, however, were called into requisition, and a log was soon hewn and thinned down to the proper dimensions. It was sharpened off at the ends, so as to run to a very acute angle, both at the stem ...
— Popular Adventure Tales • Mayne Reid

... following manner: take a piece of emery paper about three inches square, and place it in the left hand between the index and second fingers, holding the fingers about half an inch apart, and bending the paper to fit between them; then rub the eraser in the crease thus formed, holding it at an acute angle. Sometimes it is necessary to sharpen the eraser with a knife or a pair of scissors before rubbing it on the emery paper. In working with the eraser on the crayon paper do not rub hard enough to remove all the crayon from the surface ...
— Crayon Portraiture • Jerome A. Barhydt

... cartilage. The vocal ligaments are attached by their hinder ends to those little projections of the pyramids which point forwards (pl. VII, 3, 3), and by their front ends to the centre of the shield (pl. VII, 6), where the two plates meet under a more or less acute angle. ...
— The Mechanism of the Human Voice • Emil Behnke

... caroused, and the oblique gables in one of the side streets, which Rimmer, a minute observer of English domestic architecture, thus describes: "An acute-angled street may be made to contain rectangular rooms on an upper story.... Draw an acute angle—say something a little less than a right angle—and cut it into compartments; or, if preferred, an obtuse angle, and cut this into compartments also. Now, the roadway may be so prescribed as to prevent right angles from being made on the basement, but the complementary angles ...
— Lippincott's Magazine of Popular Literature and Science, Volume 22. October, 1878. • Various

... scaleless disk of the preoperculum bounds the scaly cheek behind and below, and has an entire edge with neither spine nor acute angle at the bend. The other pieces of the gill cover are closely covered with scales, only a little smaller than those of the body. The pretty wide thin inter-operculum lays freely over the gill membranes, and covers them when shut up. The sub-operculum is minutely crenulated on the edge, and has a small ...
— Discoveries in Australia, Volume 1. • J Lort Stokes

... the cart, and, when his object was perceived, willing hands assisted in converting the heavy vehicle into a battering-ram. The gradient of the hill favored the attack, which was made at an acute angle, and the first assault smashed the lock. There were a couple of seconds' delay while the cart was backed out, and the detectives rushed in, Furneaux leading, because Winter gave his great physical strength to the shafts. But the Chief Inspector grabbed his tiny friend by the collar ...
— The Postmaster's Daughter • Louis Tracy

... elevation; and, after gradually approximating each other, seemed to unite, at the distance of between thirty and forty miles, in a body of rugged mountains more lofty than themselves. These two chains in their relative positions formed an acute angle, being at their greatest distance asunder, as measured along the sea ...
— An Account of the English Colony in New South Wales, Vol. 2 • David Collins

... placed in the Natural History Museum. When the hoofs touch the ground again after this instantaneous lifting and bending of the legs under the horse, the first to touch it is that of one of the hind legs (Pl. I, fig. 4), which is pushed very far forward, forming an acute angle with the body. The shock of the horse's impact on the ground is thus received by the hind leg, which reaches obliquely forward beneath the body like an elastic <- spring. Since the instantaneous photographs have become generally known ...
— More Science From an Easy Chair • Sir E. Ray (Edwin Ray) Lankester

... branches of equal or nearly equal size, emerging from a point at a very acute angle, should be prevented by cutting out one or both of them. The branching of a lateral at a larger angle does not form a crotch and it usually buttresses itself well on the larger branch. That is a desirable form of branching. Short distances between such branchings is desirable, because it makes ...
— One Thousand Questions in California Agriculture Answered • E.J. Wickson

... his companion to the inner edge of the track, where a big rock abutted upon the acute angle which the path made in circumventing the forest-clad hill-side. Placing their "swags" on the path the two men clambered up behind the rock, and Tresco could hear their conversation as he lay behind the thick scrub ...
— The Tale of Timber Town • Alfred Grace

... motion of the big walking-beam, every kick of the engine, told him what was taking place down that narrow pipe two thousand feet below the surface. He knew when the tools were in clay and had become gummed up. He could tell just when the drill had cut into hard rock at an acute angle and was running out of the perpendicular to follow the softer stratum. His judgment appeared infallible as to whether he ought to send down a reamer to straighten the kink. All Dave knew was that a string of tools far underground was jerking up and ...
— Gunsight Pass - How Oil Came to the Cattle Country and Brought a New West • William MacLeod Raine

... the rear. As we approached Charlestown, seated on the limbers and caissons, we saw three or four of our cavalrymen coming at full speed along a road on our left, which joined the road we were on, making an acute angle at the end of the main street. They announced "Yankee cavalry" as they passed and disappeared into the town. In a moment the Federals were within one hundred yards of us. We had no officer, except Sergeant Jordan, but we needed ...
— The Story of a Cannoneer Under Stonewall Jackson • Edward A. Moore

... 50-75 feet high, with a diameter of 1-3 feet; occasionally of greater dimensions. The trunk develops a broad-spreading, open head, composed of a few large limbs ascending at an acute angle, with nearly horizontal secondary branches and a slender, flexible spray without any marked tendency to droop. Characterized by the dark metallic lustre of the branchlets, the dark green foliage, deep ...
— Handbook of the Trees of New England • Lorin Low Dame

... an "Oblique angle bridle joint," used in similar positions to the above, but when the two pieces meet at an acute angle at the end of ...
— Woodwork Joints - How they are Set Out, How Made and Where Used. • William Fairham

... penis which, with pain, lasted throughout the night. Though coitus was frequently resorted to, these symptoms continued. He sought aid at the London Hospital, but the priapism was persistent, and when he left, on May 10th, the penis formed an acute angle with the pubes, and he again had free intercourse with the same female. At the time of leaving England the penis made an angle of about 45 degrees with the pubes, and this condition, he affirmed, lasted three months. On his return to ...
— Anomalies and Curiosities of Medicine • George M. Gould

... touches N, the pulse of the other Ray is got to o. and no farther, which is very short of the place it should have arriv'd to, to make the Ray np to cut the orbicular pulse No at right Angles: therefore the Angle Nop is an acute Angle, but the quite contrary of this will happen, if 17. and 18. be calculated in stead of 16. and 17. both which does most exactly agree with the Phaenomena: For if the Sun, or a Candle (which is better) be placed about Ee, and the eye about Pp, the Rays EFef at ...
— Micrographia • Robert Hooke

... degrees. From this same tube, two small branches, about a foot apart, were sent off; one pointed downwards, and the other upwards. This latter case is remarkable, as the electric fluid must have turned back at the acute angle of 26 degrees, to the line of its main course. Besides the four tubes which I found vertical, and traced beneath the surface, there were several other groups of fragments, the original sites of which without doubt were near. All occurred in a level ...
— A Naturalist's Voyage Round the World - The Voyage Of The Beagle • Charles Darwin

... consequence of the sands and the rapidity of the water which rose three inches last night. Behind another island come in from the south two creeks, called Eau, Beau, or Clear Water creeks; on the north is a very remarkable bend, where the high lands approach the river, and form an acute angle at the head of a large island produced by a narrow channel through the point of the bend. We passed several other islands, and encamped at seven and a ...
— History of the Expedition under the Command of Captains Lewis and Clark, Vol. I. • Meriwether Lewis and William Clark

... sharpens itself to a certain extent. The chisel is of harder material than a cabinet scraper so that it will not stand a great amount of turning over on the edge. Small pieces will be broken out, unless a flat surface is rubbed against the edge at a more acute angle than was used in the whetting. If a narrow burnisher is used, pieces are more likely to be broken out from the sharp edge and thus make the ...
— A Course In Wood Turning • Archie S. Milton and Otto K. Wohlers

... mountain a thousand feet above. On the opposite side a square-faced buttress crowded the trail to the very brink of the canon. The trail followed along the foot of this buttress for a hundred feet or more, and at the edge it again turned from the gorge at an acute angle. At the turning-point a cleft, twenty feet wide, cut the cliff from the river-bed to a point far above the trail. A bridge had spanned the cleft, but it was gone. The accident had been caused by the giving way of the bridge when the stage ...
— Blue Goose • Frank Lewis Nason

... observed a boat aground, which had taken the right hand passage which was the broadest, and two others turning back to take the passage on the other side of this island. We followed their example, and found the passage safe enough. A little beyond the upper end of this island the river makes an acute angle to the right hand. We proceeded onwards till sunset, when we put to shore in company with two other boats. The country we have passed through to-day resembled that we saw yesterday, inferior to ...
— A Narrative of the Expedition to Dongola and Sennaar • George Bethune English

... wake upon the beach, a dozen feet from the door of one's tent. First, the water is sucked down, leaving for a moment a wet streak of sand or gravel, a dozen feet in width; in quick succession come heavy, booming waves, running at an acute angle with the shore, breaking at once into angry foam, and wasting themselves far up on the strand, for a few moments making bedlam with any driftwood which chances to have made lodgment there. When suddenly awakened by this boisterous turmoil, ...
— Afloat on the Ohio - An Historical Pilgrimage of a Thousand Miles in a Skiff, from Redstone to Cairo • Reuben Gold Thwaites

... rock, to find a point upon which he would be able to make some impression with his implements; but the fragment, which had probably remained there since the deluge, without having been honoured by a visit from a naturalist, was worn quite smooth by time, and presented no acute angle, within reach, upon which his hammer could make any impression; nor could he climb it for it rose from its base in almost a perpendicular line. The more he scrutinised, the more anxious was he to obtain specimens, and he determined to blast the rock. Being ...
— The King's Own • Captain Frederick Marryat

... whither he pointed, and saw a white spot moving at an acute angle with the line taken ...
— Lilith • George MacDonald

... wood and jungle within the enclosure is left standing, its interior forms a complete labyrinth. On each side of the door a line of small trees, stuck up in the snow fifteen or twenty yards apart, form two sides of an acute angle, widening gradually from the entrance, from which they sometimes extend two or three miles. Between these rows of brushwood runs the path frequented by the deer. When all things are prepared, the Indians take their station ...
— Hudson Bay • R.M. Ballantyne

... change in these two weeks. Even Warrigal's fine coat had lost every trace of the gloss which had made it beautiful, and the iron-grey hairs of Finn's dense, hard coat had taken on the character of dry bristles, while his haunch-bones were two outstanding peaks, from which his back fell away at an acute angle to the root of his tail, where once a level pad of flesh had been. Now the tail seemed to sprout from a kind of well in his body, and a bird might have nested in the hollow between his shoulder-blades, ...
— Finn The Wolfhound • A. J. Dawson

... herself which she would rather the defeat would fall upon, her father or Tom. She leaned out of the window and saw Colonel Sommerton walking down the road towards town, with his cigar elevated at an acute angle with his nose, his hat pulled well down in front, by which she knew that he was still excited. Days went by, as days will in any state of affairs, with just such faultless weather as August engenders amid the cool hills of the old Cherokee country; and Phyllis ...
— Southern Lights and Shadows • Edited by William Dean Howells & Henry Mills Alden

... when his daily drives were likely to be interrupted by holdups, and once by a grizzly that reared up in the road fairly under the nose of his leaders and sent the stage off at an acute angle, blazing a trail by itself amongst the timber, Casey drifted from mountain to desert, from desert to plain and back again, blithely meeting hard luck face to face and giving it good day as if it were a friend. For Casey was born an optimist, and misfortune never quite got him down and kept him there, ...
— Casey Ryan • B. M. Bower

... and abdomen, white—in summer many assume a paler and more yellow tint, and get a few white spots, and the old buck assumes a dark slaty colour; the horns resemble those of a young spotted deer, with both the basal and upper tines very small, the former pointing directly upwards at a very acute angle, and the latter directed backwards and inwards, nearly at a right angle, occasionally pointing downwards" (Jerdon). McMaster says: "I can corroborate Jerdon's statement that the young of this deer are beautifully spotted; but, although ...
— Natural History of the Mammalia of India and Ceylon • Robert A. Sterndale

... properly in the neck," shouted an excited special constable, as the Zeppelin gave a sudden lurch and began to drop at an acute angle. ...
— The Submarine Hunters - A Story of the Naval Patrol Work in the Great War • Percy F. Westerman

... for I guess'd that my dress had already betrayed us. And this was the case; for at the next glance I saw five or six dragoons detach themselves from the main body, and gallop in a direction at an acute angle to ours. On they came, yelling to us to halt, and scattering over the moor ...
— The Splendid Spur • Arthur T. Quiller Couch



Words linked to "Acute angle" :   oblique angle



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