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单词 plane sailing
释义

plane sailingn.

Brit. /ˌpleɪn ˈseɪlɪŋ/, U.S. /ˌpleɪn ˈseɪlɪŋ/
Origin: A variant or alteration of another lexical item. Etymon: plain sailing n.
Etymology: Alteration of plain sailing n., after plane adj., probably by analogy with plane chart n. at plane adj. Compounds 1 or plane scale n. at plane adj. Compounds 1.
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).
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n.1749
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