单词 | ecliptic |
释义 | eclipticadj.n. A. adj. a. Of or pertaining to an eclipse. ecliptic limits: the limits within which an eclipse is possible. ecliptic conjunction: a conjunction of sun and moon which results in a solar eclipse. ΘΚΠ the world > the universe > celestial sphere > circle of celestial sphere > [adjective] > ecliptic ecliptical1556 ecliptic1609 eclipsed1659 1609 P. Holland tr. Ammianus Marcellinus Rom. Hist. xx. iii. 145 When [the Sunne] himselfe and the roundle of the Moone..are come to those dimensions which they usually tearme..eclipticke or defective [L. defectivas] conjunctions ascending and descending. 1755 B. Martin Mag. Arts & Sci. ii. vi. 153 These ecliptic Nights last but a little Time. 1771 Maskelyne in Philos. Trans. (Royal Soc.) 61 544 The time of the ecliptic conjunction may be deduced. 1834 Nat. Philos. (Libr. Useful Knowl.) III. Astron. 93/2 The solar ecliptic limits exceed the lunar. ΘΚΠ the world > the universe > celestial sphere > circle of celestial sphere > [noun] > great circle > ecliptic ecliptic linea1387 sun path1599 ecliptic1625 ecliptic circlea1679 ecliptic way1712 c1400 ( G. Chaucer Treat. Astrolabe (Cambr. Dd.3.53) (1872) Prol. 3 To knowe in owre orizonte..the arising of any planete aftur his latitude fro the Ecliptik lyne. 1594 T. Blundeville Exercises iii. i. xiv. f. 146v You must haue respect onely to the Ecliptique line. a1679 T. Hobbes Seven Philos. Probl. (1682) i. 5 Does not the Earth move..in the Ecliptick Circle once a year? 1712 R. Blackmore Creation ii. 78 The Sun revolving thro' th' Ecclyptic Way. c. Used by mistake for elliptic adj. ΚΠ 1634–46 J. Row Hist. Kirk Scotl. (1842) 53 The Exercise of Prophesieing, or, in ecliptick expression, the Exercise of the Ministers. B. n. 1. The great circle of the celestial sphere which is the apparent orbit of the sun. So called because eclipses can happen only when the moon is on or very near this line. Sometimes put for the plane of the ecliptic. ΘΚΠ the world > the universe > celestial sphere > circle of celestial sphere > [noun] > great circle > ecliptic ecliptic linea1387 sun path1599 ecliptic1625 ecliptic circlea1679 ecliptic way1712 1625 N. Carpenter Geogr. Delineated i. ix. 208 The distance of the Pole circles from the Pole it self is iust so much as the declination of the Ecliptick from the Æquatour. 1646 Sir T. Browne Pseudodoxia Epidemica 291 If we imagine the Sun to make his course out of the Eclyptick, and upon a line without any obliquity. View more context for this quotation 1698 J. Keill Exam. Theory Earth (1734) 225 It [is]..impossible to conceive how a Sphere can be inclin'd to a Plane, passing thro' its Center as the Ecliptick does thro' the Center of the Earth. 1774 O. Goldsmith Hist. Earth I. 24 Its equator was in the plane of the ecliptic. 1854 W. K. Kelly tr. D. F. J. Arago Astron. 121 The inclination of the orbit of this comet to the ecliptic is 12° 34′. 2. The great circle on the terrestrial sphere which at any given moment lies in the plane of the celestial ecliptic. ΚΠ 1813 J. M. Good et al. Pantologia Ecliptic, in geography, an imaginary great circle on the terrestrial globe..falling upon..the plane of the celestial ecliptic. This entry has not yet been fully updated (first published 1891; most recently modified version published online March 2021). < adj.n.c1400 |
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