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单词 middle line
释义

middle linen.

Brit. /ˈmɪdl ˌlʌɪn/, U.S. /ˈmɪd(ə)l ˌlaɪn/
Origin: Formed within English, by compounding. Etymons: middle adj., line n.2
Etymology: < middle adj. + line n.2 Compare slightly earlier midline n.
1.
a. A central line, an axis; spec. (Nautical) (in a shipwright's plan) a line dividing a ship down the middle (see quot. 1805); (Croquet) the line of hoops placed in the middle of the lawn.
ΘΚΠ
society > travel > travel by water > vessel, ship, or boat > shipbuilding and repairing > [noun] > shipbuilding > lines, sections, or elevations
middle line?c1400
sweep1627
lines1680
touch1711
waterline1750
station1754
sheer-draught1769
body plan1781
sheer-line1797
sheer-plan1797
touchline1797
water plane1798
centreline1806
buttock line1816
crown1830
scrieve1830
top-breadth line1846
wave-line1846
floor-plan1867
?c1400 in J. O. Halliwell Rara Mathematica (1839) 58 Come toward and go froward til þe perpendicle..falle vpon þe mydel lyne of þe quadrant.
1685 H. More Paralipomena Prophetica xxxi. 281 The middle line, viz. that which is punctulated drawn through the midst of this walk.
1711 W. Sutherland Ship-builders Assistant 46 To make the side Lines and middle Lines of the Decks out of winding one with another.
1805 Shipwright's Vade-mecum 117 Middle line, a line dividing the ship exactly in the middle. In the horizontal..plan, it is a right line bisecting the ship from the stem to the stern-post; and, in the..body-plan, it is a perpendicular line bisecting the ship from the keel to the height of the top of the side.
1821 W. M. Craig Lect. Drawing 351 In the same way you will get the middle line of the mouth.
1838 Civil Engineer & Architect's Jrnl. 1 96/1 Marking the middle line, or axis of the road, by stakes or pickets, placed at equal intervals apart.
1848 T. White Ship Building 39 The upper works usually incline towards the middle line, or as it is termed ‘tumble home’.
1866 Croquet: Implem. & Laws 9 Place in the centre of the ground on the middle line.
1897 H. P. Hedges Hist. East-Hampton 182 Southampton ran a middle line from its east bounds,..and made therefrom a Great North and South Division.
1927 Dict. National Biogr. 1912–21 29/2 His ‘protected’ cruisers..were the first of a powerfully armed type of swift vessels protected from end to end by a strong deck, below water at the sides of the ship, but above water at the middle line.
b. The meridian (or its continuation below the horizon). Also: an equator, spec. the celestial equator or equinoctial. Obsolete.
ΘΚΠ
the world > the universe > celestial sphere > circle of celestial sphere > [noun] > great circle > celestial equator
equinoctialc1386
equatorc1400
weigherc1400
middle line1595
mid-circle1675
celestial equator1875
the world > the universe > celestial sphere > circle of celestial sphere > [noun] > great circle > hour circle > meridian
meridian1594
mid-heaven1594
middle line1595
1595 G. Markham Most Honorable Trag. Sir R. Grinuile sig. E7v And now the night grew neere her middle line.
1597 T. Middleton Wisdome of Solomon Paraphr. xvii The sun not past the middle line of course, Did cleerely shine.
a1609 J. Dennys Secrets of Angling (1613) i. iv. sig. B1v Of Heauen the middle Line, That makes of equall length both day and night.
1625 N. Carpenter Geogr. Delineated i. iii. 60 The Magnet..is separated or diuided by a middle line or Æquator.
1661 T. Ross tr. Silius Italicus Second Punick War xiii. 369 When the dewy Night hath made Her course beyond her middle Line, then bring Th'aforesaid Victims to the Stygian King.
1737 H. Baker Medulla Poetarum Romanorum I. 319 Bright Phoebus..from his Zenith vertically shines:..The Rays descend direct... Here equally the middle Line is found, To cut the radiant Zodiac in it's Round.
2. A course or state between two extremes; a middle way.
ΘΚΠ
the mind > attention and judgement > judgement or decision > absence of prejudice > [noun] > middle course
middle way?c1225
midwayc1451
golden mean1541
middle course1579
mid-course1603
middle path1606
third way1638
midstream1670
middle line1692
middle road1759
mid-ground1825
juste milieu1831
via media1834
middle ground1961
1692 J. Dryden Eleonora in Wks. (1885) XI. 130 As all virtues keep the middle line, Yet somewhat more to one extreme incline.
1775 E. Burke Speech Amer. Taxation 37 An Administration, that, having no scheme of their own, took a middle line.
1874 T. Hardy Far from Madding Crowd I. i. 9 Gabriel's features adhered throughout their form..exactly to the middle line between the beauty of St. John and the ugliness of Judas Iscariot.
1902 W. James Varieties Relig. Experience xiv–xv. 339 The conduct we blame ourselves for not following lies nearer to the middle line of human effort.
1909 Daily Chron. 12 Jan. 6/3 Associated with art, Sir Hubert placed the Philistine in the middle line of intelligence.
1995 L. Garrett Coming Plague (new ed.) xi. 331 Essex would continue walking a middle line, finding antibody evidence that 10 to 12 percent of people with AIDS were also infected with HTLV-I, but constantly underscoring that ‘we certainly don't have any proof that this agent causes AIDS.’
3. Anatomy. = midline n. 2.
ΘΚΠ
the world > animals > animal body > general parts > [noun] > mid-line
middle line1797
midline1868
1797 Encycl. Brit. XVII. 398/2 Draw a line in the body plan parallel to the middle line, at a distance equal to the half of what the stem is sided.
1858 H. Gray Anat. 462 Along the middle line [of the corpus callosum] is a linear depression, the raphe.
1872 T. H. Huxley Lessons Elem. Physiol. (ed. 6) vii. 174 A limb is..abducted when it is drawn away from the middle line.
1939 T. L. Green Pract. Animal Biol. i. 176 These muscles meet in the middle line and cover the trachea.
1953 D. A. Bannerman Birds West & Equatorial Afr. II. 847 In the White-breasted Akalat (I. rufipennis) the throat and middle line of the belly are white.
1961 J. Stubblefield Davies's Introd. Palaeontol. (ed. 3) v. 133 It is attached to the ventral surface of the body by a joint called the protopodite, from which a feeble process projects towards the middle line.
4. The middle of three or more lines.
ΚΠ
1806 J. W. Callcott Musical Gram. 9 When the C Clef is placed so that the two cross strokes enclose the middle Line, it is called the Counter Tenor or Viola Clef.
1885 Cent. Mag. Feb. 599 (caption) The center of the Federal left on the middle line of defense..was called by the Confederates ‘The Hornets' Nest’.
1992 Sci. Amer. May 87/2 (caption) The leftmost line will appear complete. The middle line will also appear continuous.
This is a new entry (OED Third Edition, March 2002; most recently modified version published online March 2022).
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n.?c1400
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