「gnomon」を含む例文一覧
該当件数 : 2件
timepiece that indicates the daylight hours by the shadow that the gnomon casts on a calibrated dial発音を聞く 例文帳に追加
指針が調整された目盛盤に落とす影によって日中時間を示す時計 - 日本語WordNet
It had always sounded strangely in my ears, like the word gnomon in the Euclid and the word simony in the Catechism.発音を聞く 例文帳に追加
僕の耳にはいつもそれがユークリッドのノーモンという言葉や教理問答のシモニーという言葉のように不思議な響きを与えた。 - James Joyce『姉妹』
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Wiktionary英語版での「gnomon」の意味 |
gnomon
語源
Borrowed from French gnomon, or directly from its etymon Latin gnōmōn, or directly from its etymon Ancient Greek γνώμων (gnṓmōn, “discerner, interpreter; carpenter’s square; gnomon of a sundial; (幾何学) gnomon”), from γιγνώσκω (gignṓskō, “to be aware of; to perceive; to know”), ultimately from Proto-Indo-European *ǵneh₃- (“to know”); the word is thus related to know.
The geometry sense (sense 4) is from the resemblance of the plane figure to a carpenter’s square.[1] Similarly, a gnomon in mathematics (sense 5) is also shaped like a carpenter’s square when depicted pictorially if the figurate numbers are squares.
発音
名詞
- An object such as a pillar or a rod that is used to tell time by the shadow it casts when the sun shines on it, especially the pointer on a sundial. [from mid 16th c.]
- 1700, Samuel Foster; William Leybourn, compiler, “[Projective Dialling: [...] The Ninth Tractate. Appendix.] Chap. IV. A General and Most Easie Way to Project Hour-lines upon All Kinds of Superfices without any Regard had to Their Standing, either in respect of Declination or Inclination”, in Dialling, Plain, Concave, Convex, Projective, Reflective, Refractive. Shewing, how to Make All such Dials, and to Adorn Them with All Useful Furniture Relating to the Course of the Sun; […], 2nd edition, London: Printed by J. Matthews, for Awnsham and John Churchill […], →OCLC, page 83:
- Let a Gnomon, being firſt ſharpened into a Point, be ſhaped, and faſtned in ſuch wiſe, that it no way hinder either the draught of the Horizontal Line, or the Point of the ſhadow from having free access to the Dial at all times of the Year. […] Upon the Superfices of the Dial, obſerve the Point of the Shadow of the Gnomon (making a mark at it) and the Sun's Altitude, both of them at the ſame inſtant of time.
- 1758 March, “An Account of an Ancient Astronomical Instrument, of Immense Dimensions, lately Restored to Use”, in Sylvanus Urban [pseudonym; Edward Cave], editor, The Gentleman’s Magazine, and Historical Chronicle, volume XXVIII, London: Printed by D[avid] Henry and R. Cave, […], published January 1755, →OCLC, page 99, column 1:
- The moſt celebrated gnomons, for examining the courſe of the ſun, which are exiſting at this time, have been ſuppoſed to be that in the church of St Petronio at Bologna, 89 Engliſh feet high; that of the Chartreux at Rome, about 67 feet; and that of St Sulpice at Paris, 86 feet. […] [T]he gnomon of the cathedral of that city [Florence], erected by [Paolo dal Pozzo] Toscanelli, in the courſe of the 16th century, whoſe height exceeds that of the three before-mentioned, taken all together, being near 300 Engliſh feet, and higher than our London monument by almoſt a third part.
- 1981, R. M. Batson; V. S. Reed; R. L. Tyner, “Cartographic Procedures”, in George E. Ulrich, Carroll Ann Hodges, and William R[udolf] Muehlberger, editors, Geology of the Apollo 16 Area, Central Lunar Highlands […] (Geological Survey Professional Paper; 1048), Washington, D.C.: United States Government Printing Office, →OCLC, page 530:
- An object such as a pillar used by an observer to calculate the meridian altitude of the sun (that is, the altitude of the sun when it reaches the observer's meridian), for the purpose of determining the observer's latitude.
- 1659, Joseph Moxon, “Prob[lem] XVIII. Another Way to Find the Height of the Pole by the Globe; if the Place of the Sun be Given; and also to Find the Hour of the Day, and Azimuth, and Almicantar of the Sun.”, in A Tutor to Astronomie and Geographie: Or An Easie and Speedy Way to Know the Use of Both the Globes, Cœlestial and Terrestrial. In Six Books. […], London: Printed by Joseph Moxon; […], →OCLC, 2nd book (Shewing the Practical Use of the Globes. Applying Them to the Solution of Astronomical かつ Geographical Problemes.), page 56:
- 1791, William Robertson, “Section II. Intercourse with India, from the Establishment of the Roman Dominion in Egypt, to the Conquest of that Kingdom by the Mahomedans”, in An Historical Disquisition Concerning the Knowledge which the Ancients had of India; […], London: Printed for A[ndrew] Strahan, and T[homas] Cadell […]; Edinburgh: E. Balfour, →OCLC, pages 78–79:
- In order to aſcertain the latitude of any place, the ancients obſerved the meridian altitude of the ſun, either by means of the ſhadow of a perpendicular gnomon, or by means of an aſtrolabe, from which it was eaſy to compute how many degrees and minutes the place of obſervation was diſtant from the Equator.
- The index of the hour circle of a globe.
- (geometry) A plane figure formed by removing a parallelogram from a corner of a larger parallelogram.
- 1728, E[phraim] Chambers, “Gnomon”, in Cyclopædia: Or, An Universal Dictionary of Arts and Sciences; […] In Two Volumes, volume I (A–H), London: […] James and John Knapton [et al.], →OCLC, page 164, column 2:
- If a Parallelogram be divided into four leſſer ones, by two Lines interſecting each other; and one of theſe Parallelograms be retrench'd, or taken away; the other three will make a Gnomon, ordinarily call'd a Square.
- (mathematics, by extension) A number representing the increment between two figurate numbers (“numbers equal to the numbers of dots in geometric figures formed of dots”).
- 1999, Midhat J. Gazalé, “Figurate and -adic Numbers”, in Gnomon: From Pharaohs to Fractals, Princeton, N.J.; Chichester, West Sussex: Princeton University Press, →ISBN, pages 16 and 17:
- [page 16] The figurate number's gnomon is therefore in the general case. A trivial family of numbers, those for which , might be called linear. […] [page 17] Clearly, a figurate number of rank is equal to the sum of its first gnomons, and in particular the sum of the first odd numbers is equal to .
参照
- ^ “gnomon, n.”, in OED Online , Oxford, Oxfordshire: Oxford University Press, 1900.
Further reading
- gnomon on Wikipedia.
- gnomon (figure) on Wikipedia.
- gnomon (disambiguation) on Wikipedia.
- “gnomon”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.
- “gnomon”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
- gnomon at OneLook Dictionary Search
- “gnomon”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
Latin
語源
Borrowed from Ancient Greek γνώμων (gnṓmōn, “discerner, interpreter; gnomon of a sundial”), from γιγνώσκω (gignṓskō, “to be aware of; to perceive; to know”), ultimately from Proto-Indo-European *ǵneh₃- (“to know”).
名詞
gnōmōn m (genitive gnōmonis); third declension
語形変化
Third-declension noun.
Case | Singular | Plural |
---|---|---|
Nominative | gnōmōn | gnōmonēs |
Genitive | gnōmonis | gnōmonum |
Dative | gnōmonī | gnōmonibus |
Accusative | gnōmonem | gnōmonēs |
Ablative | gnōmone | gnōmonibus |
Vocative | gnōmōn | gnōmonēs |
派生した語
- All borrowed
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Text is available under Creative Commons Attribution-ShareAlike (CC-BY-SA) and/or GNU Free Documentation License (GFDL). Weblio英和・和英辞典に掲載されている「Wikipedia英語版」の記事は、WikipediaのGnomon (改訂履歴)の記事を複製、再配布したものにあたり、Creative Commons Attribution-ShareAlike (CC-BY-SA)もしくはGNU Free Documentation Licenseというライセンスの下で提供されています。 |
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