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单词 main line
释义

main linen.

Brit. /ˈmeɪn lʌɪn/, U.S. /ˌmeɪn ˈlaɪn/, /ˈmeɪn ˌlaɪn/
Origin: Formed within English, by compounding. Etymons: main adj.2, line n.2 26b
Etymology: < main adj.2 + line n.2 26b.With sense 1b compare slightly earlier mainline adj. 1b.
1.
a. The principal line of a railway.
ΘΚΠ
society > travel > rail travel > railway system or organization > [noun] > a railway > forming part of a system > types of
branch line1825
sideline1831
stem1832
light rail1836
suburban1839
branch railway1840
main line1841
spurring1842
local line1843
trunk line1843
extension1852
feeder1855
main trunk1858
loop-line1859
loop1863
spur1878
main1886
spur line1924
1841 Penny Cycl. XIX. 251/1 Curves on a main line of railway being..objectionable.
1866 A. Trollope Belton Estate I. vii. 165 At Taunton there branched away from the main line that line which was to take her to Perivale.
1880 Harper's Mag. July 196/2 The main line will soon have reached the Rio Grande Valley.
1928 Daily Express 18 Feb. 7/3 He was one of the gang which was ‘packing’ sleepers on the down main line.
1959 Chambers's Encycl. XI. 488/2 The first lengthy main line, the Grand Junction, was opened in 1837.
1986 Rail Enthusiast May 6/2 Perhaps the largest single investment to date being the Leicester resignalling scheme..on the Midland Main Line.
b. U.S. colloquial. The fashionable residential suburbs of Philadelphia bordering the main line of the Pennsylvania Railroad; the wealthy elite who live there; (also, more widely) high society.
ΚΠ
1945 S. J. Perelman Crazy like Fox 124 Why not follow the example of glamorous Mrs Barney Kessler, socially prominent matron of the Main Line.
1990 Connoisseur Sept. 127/4 They have also brought about an overdue sea change in the art museum's inner circle, long a stuffy enclave of the Philadelphia Main Line.
1991 Vanity Fair (N.Y.) Aug. 113/1 He was too chippy for the Main Line.
2. Chiefly U.S. A principal route, connection, channel, etc.
ΘΚΠ
society > travel > means of travel > route or way > [noun] > main
highwaya1398
main line1845
1845 Merchants' Mag. 13 127 The main line of state works of Pennsylvania extends from the city of Philadelphia..to the city of Pittsburg.
1858 ‘G. Eliot’ Scenes Clerical Life II. iii. x. 189 Convenience, that admirable branch system from the main line of self-interest.
1952 Sunday Times 3 Feb. 5/4Main line’..in America..is widely applied to important roads or conduits or arteries of one kind or another.
1967 D. D. F. Gladwin & J. M. White Eng. Canals i. ii. 16 Part of the main line from Wigan to Walton Summit became integrated with the Lancaster Canal, via a tramway.
3. slang (originally U.S.). A principal vein, into which drugs can readily be injected; an intravenous injection of drugs; the action or habit of making such an injection.
ΘΚΠ
the world > physical sensation > use of drugs and poison > [noun] > by injection
needle1903
jabbing1926
main line1931
mainlining1951
shooting1951
skin-popping1951
skin-pop1952
popping1957
skinning1973
the world > life > the body > vascular system > blood vessel > [noun] > main
master-veinc1425
mastering vein1605
truncus1693
main line1931
1931 Amer. Speech Aug. 440 Main line,..a vein in the arm just above the elbow; the median vein.
1933 Amer. Speech 8 ii. 27/2 The main line is the blood vessel into which the injection is made.
1938 Amer. Speech 13 182/2 From my dropper I'll shake the dust, From my spike I'll scrape the rust, And my old main-line I'll bust.
1953 W. S. Burroughs Junkie iii. 36 I began shooting in the main line to save stuff and because the immediate kick was better.
1968 ‘J. Welcome’ Hell is where you find It xiv. 165 What about the purple hearts? Gone on main line yet?
1990 S. M. Steward Bad Boys 124 He had taken his fixes in the ‘main line’ of the arm at the elbow bend.
This entry has been updated (OED Third Edition, June 2000; most recently modified version published online March 2022).

> as lemmas

main line
In railway language variously applied (a) to a single track of rails, as in the up line, the down line; (b) to a railway forming one of the parts of a system, as in main line, branch line, loop line; (c) sometimes to an entire system of railways under one management, as in the Midland line. line clear, a signal indicating that a line is unoccupied and that a train may therefore proceed; line of rail (see quot. 1965; cf. end of steel n. at end n. 6f).extracted from linen.2
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n.1841
as lemmas
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