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διόπτρα: Difference between revisions
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|Transliteration C=dioptra | |Transliteration C=dioptra | ||
|Beta Code=dio/ptra | |Beta Code=dio/ptra | ||
|Definition=ἡ, < | |Definition=ἡ,<br><span class="bld">A</span> [[diopter]], [[dioptre]], [[dioptra]], [[optical]] [[instrument]] for measuring [[angle]]s, [[altitude]]s, etc., Euc.''Phaen.''p.10M., Plb.10.46.1, Attal. ap. Hipparch.1.10.24, Gem. 1.4, Ptol.''Alm.''5.14, etc.; ἡ τῶν δ. θεωρία Gem.5.11.<br><span class="bld">2</span> [[aperture]] [[sight]] in a [[torsion]]-[[engine]], Ph.''Bel.''64.9, 76.48.<br><span class="bld">II</span> [[plate]] of [[talc]] for glazing [[window]]s, Str.12.2.10.<br><span class="bld">III</span> = [[διαστολεύς]] ([[instrument]] for examining cavities, [[dilator]]), Aët.16.89, Paul.Aeg.6.73.<br><span class="bld">IV</span> [[σημεῖον]] ἐν [[θυτικός|θυτικῇ]] = a [[portent]] (mark, sign) in [[sacrificial]] [[practice]], [[Hesychius Lexicographus|Hsch.]] | ||
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{{DGE | |||
|dgtxt=-ας, ἡ<br /><b class="num">I</b> <b class="num">1</b>[[dioptra]], [[instrumento]] óptico para [[fijar]] la [[vista]] en un [[punto]] [[alejado]], usado para [[medir]] la [[distancia]] [[angular]], [[altura]], etc. τεθεωρήσθω διὰ διόπτρας ... Κάρκινος Euc.<i>Phaen</i>.p.10, cf. Plb.10.46.2, Attal.<i>in Arat</i>.22, διόπτρᾳ γὰρ διῄρηται ὁ τῶν ζῳδίων κύκλος εἰς ι̅β̅ μέρη ἴσα Gem.1.4, cf. Hero <i>Dioptr</i>.3, Ptol.<i>Alm</i>.5.14, Vitr.8.5.1, Gr.Nyss.<i>Ar.et Sab</i>.73.19.<br /><b class="num">2</b> [[punto de mira]] de una catapulta τῆς διόπτρας ἐφ' ἕνα σκοπὸν σταθείσης Ph.<i>Bel</i>.76.48, cf. 64.17.<br /><b class="num">3</b> medic. [[instrumento para examinar los ojos]] τοὺς ὀφθαλμοὺς ... μηδὲ ὑπὸ ἰατροῦ <διὰ> διόπτρας ὀφθῆναι Papias 3.<br /><b class="num">4</b> [[ojo]] de un cancel o celosía: plu. διόπτρας ὀξυτελεῖς, καθάπερ δικτύου τινός Lyd.<i>Mag</i>.3.37.<br /><b class="num">5</b> δ.· σημεῖον ἐν θυτικῇ Hsch.<br /><b class="num">II</b> medic. [[dilatador]] τὰ ἡλκωμένα σώματα διὰ τῆς διόπτρας θεωρεῖται Archig. en Aët.16.96, διαστήσας (τὸ στόμα τῆς ὑστέρας) τῇ διόπτρᾳ Aët.16.98, cf. Gal.19.110. | |||
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{{pape | {{pape | ||
|ptext=[[https://www.translatum.gr/images/pape/pape-01-0634.png Seite 634]] ἡ, alles, wo man hindurchsieht; – a) ein optisches Instrument mit Visiren zum Höhenmessen u. Nivelliren, Suid.; Pol. 10, 46, 1; vgl. Schneider ecl. phys. p. 267. – b) Fensterscheibe von Frauenglas, Strab. XII, 2 p. 540. – c) Bei Galen. eine Sonde, = [[διαστολεύς]]. | |ptext=[[https://www.translatum.gr/images/pape/pape-01-0634.png Seite 634]] ἡ, alles, wo man hindurchsieht; – a) ein optisches Instrument mit Visiren zum Höhenmessen u. Nivelliren, Suid.; Pol. 10, 46, 1; vgl. Schneider ecl. phys. p. 267. – b) Fensterscheibe von Frauenglas, Strab. XII, 2 p. 540. – c) Bei Galen. eine Sonde, = [[διαστολεύς]]. | ||
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{{bailly | |||
|btext=ας (ἡ) :<br />ce qui sert à examiner à travers, à distance :<br /><b>1</b> [[sonde de chirurgien]];<br /><b>2</b> [[quart de cercle pour mesurer les hauteurs]] <i>ou</i> les distances;<br /><b>3</b> [[appareil pour viser]], [[ligne de mire]], [[alidade]];<br /><b>4</b> [[vitrage en pierre spéculaire]], [[sorte de talc]].<br />'''Étymologie:''' [[διόψομαι]], v. [[διοράω]]. | |||
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{{elru | |||
|elrutext='''διόπτρα:''' ἡ [[диоптр]], [[диоптра]] (угломерный прибор для измерения высоты отдаленных предметов) (δ. δύ᾽ αὐλίσκους ἔχουσα Polyb.). | |||
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{{ls | {{ls | ||
|lstext='''διόπτρα''': ἡ, ὀπτικόν τι [[ἐργαλεῖον]] πρὸς καταμέτρησιν ὕψους, πρὸς καθορισμὸν τοῦ ἐπιπέδου, κτλ., Πολύβ. 10. 46. 1. ΙΙ. [[πίναξ]] ἐξ ἀργυρολίθου ([[εἶδος]] σχιστολίθου διαφανοῦς) χρησιμεύων διὰ τὰ παράθυρα ἀντὶ ὑάλου, Στράβων 540. ΙΙΙ. = [[διαστολεύς]], Γαλην. 2, 93D. | |lstext='''διόπτρα''': ἡ, ὀπτικόν τι [[ἐργαλεῖον]] πρὸς καταμέτρησιν ὕψους, πρὸς καθορισμὸν τοῦ ἐπιπέδου, κτλ., Πολύβ. 10. 46. 1. ΙΙ. [[πίναξ]] ἐξ ἀργυρολίθου ([[εἶδος]] σχιστολίθου διαφανοῦς) χρησιμεύων διὰ τὰ παράθυρα ἀντὶ ὑάλου, Στράβων 540. ΙΙΙ. = [[διαστολεύς]], Γαλην. 2, 93D. | ||
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{{grml | {{grml | ||
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{{lsm | {{lsm | ||
|lsmtext='''διόπτρα:''' ἡ ([[ὄψομαι]], μέλ. του [[ὁράω]]), οπτικό [[εργαλείο]] για [[καταμέτρηση]] ύψους, σε Πολύβ. | |lsmtext='''διόπτρα:''' ἡ ([[ὄψομαι]], μέλ. του [[ὁράω]]), οπτικό [[εργαλείο]] για [[καταμέτρηση]] ύψους, σε Πολύβ. | ||
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{{mdlsj | {{mdlsj | ||
|mdlsjtxt=δι-όπτρα, ἡ, <i>n</i> [[ὄψομαι]], fut. of [[ὁράω]]<br />an [[instrument]] for measuring heights, a [[Jacob]]'s [[staff]], Polyb. | |mdlsjtxt=δι-όπτρα, ἡ, <i>n</i> [[ὄψομαι]], fut. of [[ὁράω]]<br />an [[instrument]] for measuring heights, a [[Jacob]]'s [[staff]], Polyb. | ||
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= | {{wkpen | ||
A dioptre (British spelling) or diopter (American spelling) is a unit of measurement of the optical power of a lens or curved mirror, which is equal to the reciprocal of the focal length measured in metres. (1 dioptre = 1 m−1.) It is thus a unit of reciprocal length. For example, a 3-dioptre lens brings parallel rays of light to focus at 1⁄3 metre. A flat window has an optical power of zero dioptres, and does not cause light to converge or diverge. Dioptres are also sometimes used for other reciprocals of distance, particularly radii of curvature and the vergence of optical beams. | |wketx=A dioptre (British spelling) or diopter (American spelling) is a unit of measurement of the optical power of a lens or curved mirror, which is equal to the reciprocal of the focal length measured in metres. (1 dioptre = 1 m−1.) It is thus a unit of reciprocal length. For example, a 3-dioptre lens brings parallel rays of light to focus at 1⁄3 metre. A flat window has an optical power of zero dioptres, and does not cause light to converge or diverge. Dioptres are also sometimes used for other reciprocals of distance, particularly radii of curvature and the vergence of optical beams. | ||
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{{trml | {{trml | ||
|trtx=ar: ديوبتر; bg: диоптър; bn: ডাইঅপ্টার; ca: diòptria; cs: dioptrie; da: dioptri; de: Dioptrie; en: dioptre; eo: dioptrio; es: dioptría; et: dioptria; fa: دیوپتر; fi: dioptria; fr: dioptrie; ga: diaptar; gl: dioptría; he: דיופטר; hi: डायोप्टर; hr: dioptrija; hu: dioptria; hy: դիօպտրիա; id: dioptri; it: diottria; ja: ディオプトリ; kk: диоптр; ko: 디옵터; ky: диоптрия; lt: dioptrija; lv: dioptrija; mk: диоптер; ml: ഡയോപ്റ്റർ; mn: диоптр; ms: diopter; nl: dioptrie; nn: dioptri; no: dioptri; pa: ਡਾਇਪਟਰ; pl: dioptria; pt: dioptria; ro: dioptrie; ru: диоптрия; sl: dioptrija; sr: диоптрија; sv: dioptri; ta: டையாப்ட்டர்; te: డయాప్టర్; th: ไดออปเตอร์; tr: diyoptri; uk: діоптрія; uz: dioptriya; vi: dioptre; zh: 屈光度 | |trtx=ar: ديوبتر; bg: диоптър; bn: ডাইঅপ্টার; ca: diòptria; cs: dioptrie; da: dioptri; de: Dioptrie; en: dioptre; eo: dioptrio; es: dioptría; et: dioptria; fa: دیوپتر; fi: dioptria; fr: dioptrie; ga: diaptar; gl: dioptría; he: דיופטר; hi: डायोप्टर; hr: dioptrija; hu: dioptria; hy: դիօպտրիա; id: dioptri; it: diottria; ja: ディオプトリ; kk: диоптр; ko: 디옵터; ky: диоптрия; lt: dioptrija; lv: dioptrija; mk: диоптер; ml: ഡയോപ്റ്റർ; mn: диоптр; ms: diopter; nl: dioptrie; nn: dioptri; no: dioptri; pa: ਡਾਇਪਟਰ; pl: dioptria; pt: dioptria; ro: dioptrie; ru: диоптрия; sl: dioptrija; sr: диоптрија; sv: dioptri; ta: டையாப்ட்டர்; te: డయాప్టర్; th: ไดออปเตอร์; tr: diyoptri; uk: діоптрія; uz: dioptriya; vi: dioptre; zh: 屈光度 | ||
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