单词 | plane sailing |
释义 | plane sailingn. 1. Nautical. Navigation based, for the sake of simplicity, on the assumption that one is sailing over a plane surface rather than a spherical surface; navigation by plane chart (plane chart n. at plane adj. Compounds 1). Cf. plain sailing n. 1.This method, when used over short distances esp. near the equator, gives approximations which are often accurate enough for general navigational purposes. ΘΚΠ society > travel > travel by water > directing or managing a ship > [noun] > types of navigation great circle sailing1595 loxodromics1704 oblique sailing1704 orthodromics1704 right sailing1704 parallel sailing1705 orthodromy1706 plane sailing1749 composite sailing1850 loxodromy1855 radio navigation1926 hyperbolic navigation1945 satnav1970 hyperbolic system1972 1749 W. Mountaine Atkinson's Epitome Art Navigation (rev. ed.) iii. 48 (heading) Plane Trigonometry applied in Problems of Sailing by the Plane Sea-Chart, commonly called Plane-Sailing. 1761 T. Haselden Seaman's Daily Assistant 135 Then in the first Place, with my Difference of Latitude 93,4 and my Departure 52,7 (as taught in Plane Sailing, Case the 6th) I find my Course to be 30 Degrees, and my Distance 108 Miles. 1815 W. Burney Falconer's New Universal Dict. Marine (rev. ed.) Plane sailing, is that which is performed by means of a plane chart; in which case, the meridians are considered as parallel lines, the parallels of latitude are at right angles to the meridians, the lengths of the degrees on the meridians, equator, and parallels of latitude, are every where equal. 1867 W. H. Smyth & E. Belcher Sailor's Word-bk. Plane-sailing, that part of navigation which treats a ship's course as an angle, and the distance, difference of latitude, and easting or westing, as the sides of a right-angled triangle. The easting or westing is called departure. 1918 Amer. Math. Monthly 25 p. ii (advt.) Wentworth-Smith's Plane and Spherical Trigonometry... Special attention is given to simple surveying and plane sailing. 1946 H. McKay World of Numbers i. 13 Plane sailing is adequate for narrow seas. But sailors who navigate the great seas have to allow for the curvature of the earth. 1986 Cruising July 10/1 Plane sailing can only be used over distances of up to 600 nautical miles at most, to minimise errors. 2. = plain sailing n. 2. Now rare. ΘΚΠ the world > action or operation > easiness > [noun] > that which is easy > easy way or method primrose path1604 primrose waya1616 line of least resistance1746 plain sailing1756 royal road1793 plane sailing1850 pipe course1923 1850 H. T. Cheever Whale & his Captors iii. 58 After this was hoisted in, the rest of the way was plane sailing, the blubber of the body being cut and peeled off, in huge unbroken strips, as the carcass rolled over and over. 1858 T. P. Thompson Audi Alteram Partem I. liv. 212 The motion at first looks as if it was all what sailors call plane sailing. 1867 W. H. Smyth & E. Belcher Sailor's Word-bk. (at cited word) Plane-sailing is so simple that it is colloquially used to express anything so easy that it is impossible to make a mistake. 1999 J. Raban Passage to Juneau iv. 227 When surprised, you are taken aback, caught head-to-wind; when things go easily for you, it's plain (correctly, plane) sailing. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < n.1749 |
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