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单词 cross-head
释义

cross-headn.

Etymology: cross- comb. form 1b(a).Previous versions of the OED give the stress as: ˈcross-ˌhead.
1.
a. The bar at the end of the piston-rod of a steam-engine, which slides between straight guides, and communicates the motion to the connecting-rod, etc.
ΘΚΠ
society > occupation and work > equipment > machine > machines which impart power > engine > steam engine > [noun] > parts of > bars
cross-head1827
lever1836
radius bar1839
1827 Mechanics' Mag. 8 2 Can the cross-head, side rods, cranks, shaft..be reduced?
1861 T. L. Peacock Gryll Grange xx. 179 Vibrating..with one invariable regulated motion like the cross-head of a side-lever steam-engine.
attributive.1849 J. Weale Rudim. Dict. Terms Archit. i. 128/1 Cross-head guides, in locomotive engines, the parallel bars between which the cross-head moves. Cross-head blocks..the parts which slide between the parallel guides.
b. Any beam across the top of a piece of mechanism.
ΘΚΠ
society > occupation and work > equipment > machine > parts of machines > other parts > [noun] > other specific parts
armOE
button?1561
running gear1663
relax1676
collar1678
drumhead1698
long arm1717
drum1744
press cloth1745
head1785
absorber1789
bearing plate1794
crown1796
rhodings1805
press box1825
alternator1829
cushion1832
saw tooth1835
shoe1837
keyboard1839
returner1839
cross-head1844
channel shoe1845
baster1846
water port1864
shifter1869
magazine1873
entry port1874
upsetter1875
mechanism1876
tapper1876
tension bar1879
buttonholer1882
take-up1884
auger1886
instrument panel1897
balancer1904
torsion bar1937
powerhead1960
1844 H. Stephens Bk. of Farm I. 417 The draught shackle..is held in its place upon the cross-head..by the draught~bolt.
1844 H. Stephens Bk. of Farm II. 134 The handle..terminates in a crosshead.
a1884 E. H. Knight Pract. Dict. Mech. Suppl. 231/2 Cross Head, a cruciform-shaped four-handled bar, at the upper end of a drill-rod or earth-auger.
1884 Science 3 314 Two side-screws, carrying the top crosshead.
1888 Encycl. Brit. XXIII. 151/1 Thus avoiding torsion of the polar axis at the expense of greatly increased length of the cross-head.
1901 S. Merwin & H. K. Webster Calumet ‘K’ xvi. 322 Another endless series of cups was carrying the wheat aloft. It went over the cross-head and down a spout.
2. A heading to a paragraph printed across the page or column in the body of an article.
ΘΚΠ
society > communication > journalism > journal > parts and layout of journals > [noun] > headline > types of
subhead1744
side head1822
side heading1836
subheading1842
spread head1872
scare-head1887
cross-head1888
scare-line1892
scare-heading1894
cross-heading1898
one-liner1904
streamer1909
banner1913
screamer1926
drophead1930
1888 Pall Mall Gaz. 1 Sept. 11/2 In two cases Mr. Knowles allows frequent ‘cross-heads’.
1964 Friend 4 Sept. 1067/2 The memorandum continues (and from this point, inserting only crossheads, we quote it in full): We cannot [etc.].
3. Mining. A heading running across a vein.
ΘΚΠ
society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > passage > horizontal > types of
level1721
roadway1832
side drift1837
narrow1850
entry1854
rise heading1872
cross-head1877
sump drift1880
gopher-drift1881
stone-heading1892
1877 R. W. Raymond Statistics Mines & Mining 197 At the point of connection the eastern limit of the south vein is defined by a cross-head.., and to the east of this cross-head no trace of the fissure has as yet been found.

Compounds

cross-head brasses n. plural the brass bearings of the cross-head of a steam or other engine.
ΘΚΠ
society > occupation and work > equipment > machine > machines which impart power > engine > steam engine > [noun] > parts of > valves > for regulating steam
piston valve1735
induction valve1847
cross-head brasses1865
long slide1875
trip valve-gear1903
1865 Daily News 26 July 3/1 No. 80 torpedo boat..broke down owing to a defect in the crosshead brasses.
cross-head pin n. the pin by which the connecting-rod is attached to the piston-rod.
ΘΚΠ
society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [noun] > parts of > pins
crank-pin1839
piston pin1853
cross-head pin1887
1887 D. A. Low Introd. Machine Drawing xii. 51 The cross-head pin need not be drawn separately.
1889 P. N. Hasluck Model Engineer's Handybk. viii. 91 The hole in cross-head must be broached out till the cross-head pin will nearly fit it.

Derivatives

ˈcross-head v. to furnish with a cross-head (sense 2).
ΘΚΠ
society > communication > journalism > journal > parts and layout of journals > [verb (transitive)] > headline > types of
subhead1870
scare-head1887
cross-head1890
banner1951
1890 Pall Mall Gaz. Jan. The Tablet..cross-heads one of its paragraphs ‘The Need of the Confessional’.
1908 ‘I. Hay’ Right Stuff iii. 42 I doubt now if I could write out twenty lines of ‘Paradise Lost’ without cross-heading them.
This entry has not yet been fully updated (first published 1893; most recently modified version published online December 2020).
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n.1827
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更新时间:2024/12/25 8:57:22