| 单词 | meridian line |
| 释义 | > as lemmasmeridian line meridian line n. [after classical Latin merīdiāna līnea (see discussion s.v. meridian n.); compare French ligne méridienne (1685)] = meridian n. 2b, 3a; a north–south line; (also) an actual line on the ground for indicating the course of a portion of a meridian. ΘΚΠ the world > the earth > geodetic references > [noun] > meridian meridional linec1392 meridianc1400 midday line?a1439 meridian circlec1550 meridian line1559 midday circle1559 1559 W. Cuningham Cosmogr. Glasse 138 If there be no Angle of sighte, it hathe the same Longitude and meridiane Line, and is plaine North or South from you. 1678 J. Moxon Mech. Dyalling 11 If the Sun shine just at Noon, hold up a Plumb-line so as the shaddow of it may fall upon your Plane, and that shaddow shall be a Meridian Line. 1785 T. Jefferson Notes Virginia i. 1 Thence by a meridian line, passing through that fountain till it intersects a line running East and West. 1833 J. F. W. Herschel Astronomy i. §84. 56 The plane of the meridian is the plane of this circle, and its intersection with the sensible horizon of the spectator is called a meridian line. 1962 E. Bruton Dict. Clocks & Watches 136 Prime meridian, the zero meridian line which passes through Greenwich Observatory. 2000 Isis 91 758/1 His theme is the meridian lines..laid down in the marble floors of cathedrals for quantifying the sun's annual motion. < as lemmas |
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