| 单词 | gnomon |
| 例句 | The pole serves as a gnomon, the part of a sundial that casts a shadow to denote time. Reattaching the bowl of a cast-iron birdbath 2020-04-17T04:00:00Z A gnomon is the perpendicular part of a sundial, the part that casts a shadow. Review | What it might feel like to live in a high-tech surveillance state 2018-01-10T05:00:00Z As visitors hover over the work, functioning as a vertical gnomon, their shadows fall onto one of the panels, depending on the time of day. Inside the California African American Museum's $5-million, "momentum"-fueled upgrades 2023-08-04T04:00:00Z Pytheas of Marseilles—who lived in the time of Alexander the Great, about 330 B.C.—measured the latitude of Marseilles by means of a gnomon, and found it to be about 42° 56′½. Astronomical Curiosities Facts and Fallacies 2012-03-27T02:00:18Z Then came the necessity of finding out about the inclination or obliquity of the ecliptic, and this is where the gnomon was employed. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z Sometimes the dial-maker placed on the gnomon various Masonic symbols—the compass, square, and triangle, or the coat of arms of the dial owner. Old-Time Gardens Newly Set Forth 2012-03-06T03:00:22.850Z It is of stone, 6 ft. in height; its south face is 4 ft. in width, and its east and west faces 3 ft. respectively, each of which bears a gnomon—a somewhat unusual feature. Curious Church Customs and Cognate Subjects 2011-12-02T03:00:21.090Z Proclus speaks of such a line as a gnomon, a common name for the perpendicular on a sundial, which casts the shadow by which the time of day is known. The Teaching of Geometry 2011-10-12T02:00:52.133Z Where the budding gnomons throw Lengthening shadows far and near, Mute I sit as man of snow, Till my darling's voice I hear. A Century of Emblems 2011-10-08T02:00:24.280Z The gnomon shadow of Jack's Mountain had spread over the entire valley, and its southern limb had crept up Chigringo until its sharply defined line was resting upon the Massingale cabin. The City of Numbered Days 2011-08-31T02:01:25.807Z Its inscription, "Time waits for No Man," is an old punning device on the word gnomon. Old-Time Gardens Newly Set Forth 2012-03-06T03:00:22.850Z The tip of the gnomon, the pencil, and the Pole Star were in a direct line, in a row one behind the other. Bevis The Story of a Boy 2011-08-13T02:00:28.377Z The Chaldeans, who invented gnomons, and predicted eclipses, made a good beginning. Man's Redemption of Man A Lay Sermon 2011-08-02T02:00:20.160Z By the observation of the gnomon at mid-day on the day of the solstice he determined the obliquity of the ecliptic in his epoch. Astronomical Myths Based on Flammarions's History of the Heavens 2011-06-24T02:00:15.873Z Sun-dial Dial, or Sun-dial, an instrument for showing the hour of the day from the shadow thrown by a stile or gnomon upon a graduated surface while the sun is shining. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z A similar use of a vertical pole as a primitive gnomon for a sun-dial seems to have been common to many uncivilized peoples. Old-Time Gardens Newly Set Forth 2012-03-06T03:00:22.850Z Bevis drew the line from the gnomon to the mark he had made the night before, this was the noon or meridian. Bevis The Story of a Boy 2011-08-13T02:00:28.377Z Albano punished himself with several days of voluntary absence, till the unclean clouds should have cleared away from within him which had overshadowed the gnomon of the sundial of his inner man. Titan: A Romance v. 1 (of 2) 2011-03-25T02:00:11.007Z Through the air above us, like gnomons of a vast sundial, the Aiguilles cast their fanlike shadows, which moved round as the day advanced. The Glaciers of the Alps Being a narrative of excursions and ascents, etc. Dials are of various construction, horizontal, inclined, or upright, the principle in every case being to show the sun's distance from the meridian by means of the shadow cast by the stile or gnomon. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z The gnomon was throwing a long shadow westward across the VII. The Idyl of Twin Fires He still had to stoop till he had got the tip of the gnomon to cover the North Star. Bevis The Story of a Boy 2011-08-13T02:00:28.377Z To him is credited the invention of geographical maps and the first application of the gnomon or style fixed on a horizontal plane to determine the solstices and equinoxes. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli It may be said in passing that Toscanelli's gnomon was later improved by Cardinal Ximenes of Spain, showing that these cordial ecclesiastical relations with science were not confined to Italy. The Popes and Science The History of the Papal Relations to Science During the Middle Ages and Down to Our Own Time Warnings point out our danger; gnomons, time: As these are useless when the sun is set: 423 So those, but when more glorious reason shines. Young's Night Thoughts With Life, Critical Dissertation and Explanatory Notes On leaving the temple he glanced at the gnomon or sundial, which at that height marked the time for all Rome. Sónnica The shadow of the gnomon slipped the wrong way; he looked up and saw a light cloud passing over the sun. Bevis The Story of a Boy 2011-08-13T02:00:28.377Z A universal dial was constructed of a figure in the shape of a cross; another universal dial showed the hours by a globe and by several gnomons. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3 "Destructors" to "Diameter" This is the gnomon arranged in the dome of the Cathedral by the shadow of which it is said that he could determine midday to within half a second. The Popes and Science The History of the Papal Relations to Science During the Middle Ages and Down to Our Own Time By the gnomon, staff, arc, wheel, instruments for taking the shadow of various kinds.... On the Origin of Clockwork, Perpetual Motion Devices, and the Compass According to Diogenes Laertius, he was the inventor of the gnomon, and of geographical maps; at all events, he was the first person who introduced the use of the gnomon into Greece. The Academic Questions, Treatise De Finibus, and Tusculan Disputations, of M.T. Cicero, With a Sketch of the Greek Philosophers Mentioned by Cicero To-morrow he would have to draw a line from that mark straight to the gnomon, and when the shadow fell on that line it would be noon. Bevis The Story of a Boy 2011-08-13T02:00:28.377Z In this case the shadow will probably have been thrown, not by a properly constructed gnomon, but by some building in the neighbourhood. The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture They invented the zodiac and gnomon, made use of several kinds of dials, notified eclipses, and divided the day into twenty-four hours. The Astronomy of Milton's 'Paradise Lost' The shadows of two gnats disporting on the edge of an ordinary gnomon would have seemed vastly more important, in proportion, on the figured plane of the dial, than these, our ghostly representatives, did here. The Cruise of the Betsey or, A Summer Ramble Among the Fossiliferous Deposits of the Hebrides. With Rambles of a Geologist or, Ten Thousand Miles Over the Fossiliferous Deposits of Scotland On the left, the same well raised its wrought-iron roof; and, close at hand, the same sun-dial showed its slanting gnomon and its marble face. The Confessions of Arsène Lupin He stooped again, and found the gnomon and pencil correct, and pressing on the pencil hard, drew it towards him out of the groove a little way. Bevis The Story of a Boy 2011-08-13T02:00:28.377Z In the Elements of Geometry there is no other use, as it seemeth of the gnomons than that in one word three parts of a parallelogramme might be signified and called by three letters aei. The Way To Geometry They appear to me like the gnomons of enormous sundials," remarked the doctor; "and, indeed, their uses must certainly be astronomical. Pharaoh's Broker Being the Very Remarkable Experiences in Another World of Isidor Werner When the dial and the gnomon were understood, dialling became a popular science, and ere long the sundial on the church tower, in a public place, or in a private garden, told the time. Chats on Household Curios I think it is the biggest gnomon I ever saw. Rollo's Experiments He filed the heads off the nails, and then tapped them into the gimlet holes; they wanted a little bending, and then their points met, forming a gnomon, like putting the two forefingers together. Bevis The Story of a Boy 2011-08-13T02:00:28.377Z Of the invention of this there are two wayes: The one is by the Addition of the gnomon; The other is by the Reduction of the number assigned unto parts of some greater denomination. The Way To Geometry They had obelisks and exact gnomons to mark the equinoxes and solstices. Celebrated Travels and Travellers Part I. The Exploration of the World No doubt, however, it was a sun-dial, or gnomon of some kind. The Story of Eclipses “Yes,” said his father; “I think that will do; you have got quite a respectable gnomon.” Rollo's Experiments The gnomon at once cast a pointed shadow on that side of the circle opposite the sun, but there were as yet no marks for the hours. Bevis The Story of a Boy 2011-08-13T02:00:28.377Z The first is thus: 17 If the side found be doubled, and to the double a unity be added, the whole shall be the gnomon of the next greater quadrate. The Way To Geometry These dials are all of heavy metal, usually lead; sometimes with gnomon of brass. Home Life in Colonial Days The whole disc of the sun had now risen above the gnomon, yet no motion of the shadow on the steps had been observed for fully five minutes. The Story of Eclipses Ere noon was marked by the gnomon of the dial set up before the judges, Sir Tristram and his squire Governale rode up the lists, and were met by King Anguish and his knights. King Arthur's Knights The Tales Re-told for Boys & Girls When it was done the shadow of the gnomon touched the nine, so he shouted to Mark that it was nine o’clock. Bevis The Story of a Boy 2011-08-13T02:00:28.377Z From the series of gnomons for squares we easily deduce a formula for finding square numbers which are the sum of two squares. The Legacy of Greece Essays By: Gilbert Murray, W. R. Inge, J. Burnet, Sir T. L. Heath, D'arcy W. Thompson, Charles Singer, R. W. Livingston, A. Toynbee, A. E. Zimmern, Percy Gardner, Sir Reginald Blomfield When the sun is at the equinoxes, that is, passing through Aries or Libra, he makes the gnomon cast a shadow equal to eight ninths of its own length, in the latitude of Rome. The Ten Books on Architecture The idle watch-hand often points to something within us; and the shadow of the gnomon on the dial often falls upon the conscience. Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry It is meant to serve as the gnomon of a gigantic dial, traced in lines of white marble in the pavement of the square. Roman Mosaics Or, Studies in Rome and Its Neighbourhood The shadow of the gnomon on the dial had moved a good way since Bevis set it up. Bevis The Story of a Boy 2011-08-13T02:00:28.377Z In this investigation the gnomon played an important part. The Legacy of Greece Essays By: Gilbert Murray, W. R. Inge, J. Burnet, Sir T. L. Heath, D'arcy W. Thompson, Charles Singer, R. W. Livingston, A. Toynbee, A. E. Zimmern, Percy Gardner, Sir Reginald Blomfield This done, apply a gnomon to these eight divisions and thus fix the directions of the different alleys. The Ten Books on Architecture Its shape may be compared roughly to a gnomon, with one longer and one shorter arm. The Seven Great Monarchies Of The Ancient Eastern World, Vol 4. (of 7): Babylon The History, Geography, And Antiquities Of Chaldaea, Assyria, Babylon, Media, Persia, Parthia, And Sassanian or New Persian Empire; With Maps and Illustrations. It was brought to Rome by Augustus, who dedicated it anew to the sun, and placed it as the gnomon of a meridian in the midst of the Campus Martius. Roman Mosaics Or, Studies in Rome and Its Neighbourhood He drew a line with his pencil where the shadow of the gnomon fell on the circle, that was four o’clock. Bevis The Story of a Boy 2011-08-13T02:00:28.377Z If we represent a unit by one dot and put round it three dots in such a way that the four form the corners of a square, three is the first gnomon. The Legacy of Greece Essays By: Gilbert Murray, W. R. Inge, J. Burnet, Sir T. L. Heath, D'arcy W. Thompson, Charles Singer, R. W. Livingston, A. Toynbee, A. E. Zimmern, Percy Gardner, Sir Reginald Blomfield At about the fifth hour in the morning, take the end of the shadow cast by this gnomon, and mark it with a point. The Ten Books on Architecture The sundial, without any gnomon, occupies the central portion of the stone, which is about 7 feet in length, and the inscription is closely packed in the spaces on either side. The Evolution of an English Town Kneel down again, to see that all is right, and in the morning draw out the dial-lines; the string being the gnomon. The Art of Travel Shifts and Contrivances Available in Wild Countries Hadley had invented the sextant, by which the sun's elevation could be taken with much more ease and accuracy than with the old cross-staff, the very rough gnomon which the earlier navigators had to use. The Story of Geographical Discovery How the World Became Known To make a Cross Dial.—A cross dial is one which shows the time of the day without a gnomon, by a shadow of one part of the dial itself, appearing upon another part thereof. The Mirror of Literature, Amusement, and Instruction Volume 17, No. 493, June 11, 1831 Then, opening your compasses to this point which marks the length of the gnomon's shadow, describe a circle from the centre. The Ten Books on Architecture The simpleton yielded, but instead of the friendly touch and smell, the vixen fastened on to the poor fellow's gnomon, and disfigured him for life. Samoa, A Hundred Years Ago And Long Before The one essential point of dial-making is to set the gnomon truly, because it ensures that the shadows shall fall in the same direction at the same hours all the year round. The Art of Travel Shifts and Contrivances Available in Wild Countries Each twelve month the gnomon on the literary sundial is likely to cast some shadow one will not willingly forget. Shandygaff Before you go outdoors draw on the platform of the sundial a straight line from angle B of the gnomon to the front edge of the platform. The Library of Work and Play: Gardening and Farming. Let A be the centre of a plane surface, and B the point to which the shadow of the gnomon reaches in the morning. The Ten Books on Architecture The style or gnomon, as it always equals the latitude of the place, can be laid out as follows: Draw a line AB, Fig. The Boy Mechanic: Volume 1 700 Things for Boys to Do Of nouns in on, derived from Greek, the greater part always form the plural regularly; as, etymons, gnomons, ichneumons, myrmidons, phlegmons, trigons, tetragons, pentagons, hexagons, heptagons, octagons, enneagons, decagons, hendecagons, dodecagons, polygons. The Grammar of English Grammars In addition to these comic or satiric shadows, the gnomon of his Sun Dial may be relied on every now and then to register a clear-cut notation of the national mind and heart. Shandygaff You remember the gnomon angle was the number of degrees corresponding to the degrees in latitude of your special place. The Library of Work and Play: Gardening and Farming. The Egyptian priests called these obelisks the sun's fingers, because they served as stiles or gnomons to mark the hours on the ground. The Mirror of Literature, Amusement, and Instruction Volume 19, No. 546, May 12, 1832 The style or gnomon with its base can be made in cement and set on a cement pedestal which has sufficient base placed in the ground to make it solid. The Boy Mechanic: Volume 1 700 Things for Boys to Do We arrested several of these little aëronauts in their flight, and placed them on the brass gnomon of the sundial, and had the gratification to see them prepare for, and recommence, their aerial voyage. The Mirror of Literature, Amusement, and Instruction Volume 12, No. 339, November 8, 1828 Before the trees were planted there seems to have been a sundial on the side of the hill, the precipitous scar on the top forming the gnomon. Yorkshire Your only cares will be to scent yourself, and to go and dine, when the shadow of the gnomon is ten feet long on the dial. The Eleven Comedies, Volume 2 Whether future craniologists may not see cause to new-name this and one or two others of these convex gnomons, is quite a different question. Specimens of the Table Talk of Samuel Taylor Coleridge The gnomon is true, but a veil of cloud may be drawn over the sky. Expositions of Holy Scripture Isaiah and Jeremiah Some of the astronomical instruments which they constructed, including the sextant and the gnomon, are still in use. Early European History There follows a minute description of the brass clepsydra, and the brass gnomon, which it is unnecessary to translate. The Travels of Marco Polo — Volume 1 Some have maintained that the obelisks which the Egyptians erected served the purpose of gnomons for determining the obliquity of the ecliptic, the altitude of the pole, and the length of the tropical year. Beacon Lights of History, Volume 03 Ancient Achievements Anaximander invented the sphere, the gnomon, and geographical charts, which required considerable geometrical knowledge. The Old Roman World, : the Grandeur and Failure of Its Civilization. The rod, or gnomon, as it is sometimes called, stood just halfway between the ends. Uncle Robert's Geography (Uncle Robert's Visit, V.3) It is in bronze, in excellent preservation, and the gnomon so perforated as to form the cypher I. C. seen either way. John Keble's Parishes Besides this in a lower hall they had established a gnomon…. The Travels of Marco Polo — Volume 1 "Can you see it?" said Grubb, mournfully twisting about his face most ludicrously, and trying at the same time to level his optics towards the damaged gnomon. Sketches by Seymour — Volume 01 Anaximander, born 610 B.C., invented the gnomon, and constructed geographical charts. The Old Roman World, : the Grandeur and Failure of Its Civilization. If the gnomon of a sun-dial be divided into two equal, and also into two unequal parts, what would be its value? Adventures of Mr. Verdant Green That sharp peak might hence be considered as the gnomon of a vast sun dial, the shadow projected from which on a certain day would point out the road to the centre of the earth. A Journey to the Interior of the Earth That he may erect a new dial of compliment, with his gnomons and his puntilios. Every Man out of His Humour Prince, the stone's shade on your divan Falls; it is longer than ye wist: It preaches, as Time's gnomon can, This monument in London mist! Ballads in Blue China Some have maintained that the obelisks which they erected served the purpose of gnomons, for determining the obliquity of the ecliptic, the altitude of the pole, and the length of the tropical year. The Old Roman World, : the Grandeur and Failure of Its Civilization. It had always sounded strangely in my ears, like the word gnomon in the Euclid and the word simony in the Catechism. Dubliners The square, for instance, if a gnomon is applied to it, undergoes increase but not alteration, and so it is with all other figures of this sort. The Categories For as touching the sun-dial and the gnomon and the twelve divisions of the day, they were learnt by the Hellenes from the Babylonians. An Account of Egypt Much more striking, at least in its appeal to the popular imagination, was that other great feat which Eratosthenes performed with the aid of his perfected gnomon—the measurement of the earth itself. A History of Science — Volume 1 The introduction of the gnomon and dial into Greece advanced astronomical knowledge, since they were used to determine the equinoxes and solstices, as well as parts of the day. The Old Roman World, : the Grandeur and Failure of Its Civilization. Hipparchus had the gnomon of Eratosthenes—doubtless in a perfected form—to aid him, and he soon proved himself a master in its use. A History of Science — Volume 1 It is believed that Eratosthenes invented an important modification of the gnomon which was elaborated afterwards by Hipparchus and called an armillary sphere. A History of Science — Volume 1 This consists essentially of a small gnomon, or perpendicular post, attached to a plane representing the earth's equator and a hemisphere in imitation of the earth's surface. A History of Science — Volume 1 With the aid of this implement, Eratosthenes carefully noted the longest and the shortest shadows cast by the gnomon—that is to say, the shadows cast on the days of the solstices. A History of Science — Volume 1 He merely measured the angle of the shadow which his perpendicular gnomon at Alexandria cast at mid-day on the day of the solstice, when, as already noted, the sun was directly perpendicular at Syene. A History of Science — Volume 1 |
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