单词 | midline |
释义 | midlinen.adj. A. n. 1. A central line, an axis; spec. the equator; (formerly) the ecliptic; (Mathematics) a bisecting line. Cf. middle line n. 1. ΘΚΠ the world > relative properties > number > geometry > line > [noun] > which divides or intersects midlinea1398 secant1684 section1820 bisectrix1854 ground-line1857 secancy1857 transversal1881 a1398 J. Trevisa tr. Bartholomaeus Anglicus De Proprietatibus Rerum (BL Add.) f. 113v For his [sc. the sun's] cercle passiþ streight by þe myd lyne of zodiacus. c1450 J. Metham Palmistry (Garrett) in Wks. (1916) 86 (MED) The secunde lyne ys the mydlyne, that pasyth thorw the myddys off the hand. 1598 Riddles of Heraclitus & Democritus Pref. sig. Av Serious pastimes For all manner men, Without regarde when, Or where they abide, On this or that side, Or vnder the mid line Of the Holland sheetes fine, Or in the Tropicks faire..Or vnder the pole. 1630 Acts Parl. Scotl. (1870) V. 232/1 That midlyne in the seas whilk is equallie distant and divyding frome the opposite land. 1638 R. Farley Kalender Mans Life Sept. sig. F When Libra in equall scales weighs night and day, And Phoebus through the midline makes his way. 1858 L. P. Hickok Rational Cosmology iii. x. 344 The revolutions of Saturn had brought the equatorial accumulation to a..narrow distribution about the mid-line of the planet. 1905 Jrnl. Philos., Psychol. & Sci. Methods 2 415 The ‘mass’ and ‘interest’ of the picture are on one side of the mid-line. 1971 Trans. Amer. Math. Soc. 157 141 The upper region U contains the horizontal midline of the square. 1990 T. Cunliffe Easy on Helm i. 8 As she heels away from the wind, the driving force of her rig moves outboard and away from the mid-line of the boat. 2. Anatomy and Zoology. A line (drawn) through the middle of the dorsal or ventral surfaces of the body, or through the middle of an organ or other part; a median line. Also: a median plane; a plane of bilateral symmetry. ΘΚΠ the world > animals > animal body > general parts > [noun] > mid-line middle line1797 midline1868 1868 W. K. Parker Monogr. Struct. & Devel. Shoulder-girdle & Sternum Vertebrata 8 There is no stoppage of the ossification at the mid-line. 1884 Jrnl. Anthropol. Inst. 13 14 A..pebble, which if..brought slowly down the mid-line of the body, from the lower lip to the umbilicus.., would cause all sickness to leave the body. 1927 J. B. S. Haldane & J. S. Huxley Animal Biol. xii. 285 (caption) The lateral nerve-trunks have united in the mid-line. 1959 T. R. E. Southwood & D. Leston Land & Water Bugs Brit. Isles 31 The males of this genus have a patch of wax-producing glands beneath the abdomen on each side of the mid-line. 1991 T. H. Goldsmith Biol. Roots Human Nature v. 76 A group of outermost (ectodermal) cells along the dorsal midline are induced to become the future nervous system. 3. The middle of a line of poetry. ΘΚΠ society > leisure > the arts > literature > poetry > part of poem > [noun] > line > subdivision of line > middle of line midline1950 1950 Shakespeare Q. 1 173 The ending of sentences in mid-line. 1976 ELH 43 319 Although ‘The Tuft of Primroses’ breaks off in mid-line, it has a recognizable imaginative unity. 1992 Rev. Eng. Stud. 43 173 This is a similar device to that found in E, but there the pairs of homonyms link mid-line with end-line. B. adj. (attributive). Situated or occurring on or in a midline or (Anatomy) the midline. ΚΠ 1882 G. M. Hopkins Lett. to R. Bridges (1955) 164 The word is more and is a midline rhyme to score. 1928 H. Cushing & P. Bailey Tumors Blood Vessels Brain ii. 165 This case was unusual in our experience with these mid-line angioblastomas. 1967 Brain 90 446 A deeply-placed mid-line lesion disturbing the upper brain-stem. 1976 ELH 43 457 Every line and every mid-line pause..illuminates some syntactic, rhetorical, or figurative unit of discourse. 1986 Year's Work Eng. Stud. 1983 72 Ruth Salvaggio..discusses temporal patterns (iambic beat, mid-line juncture, etc.) in selected poets. 1998 Daily Tel. 2 Dec. 3/5 Joella's condition is called cloacal exstrophy and occurs in the embryo when there is a ‘mid-line fusion’ of the cells that form the lower abdomen and genitalia. This entry has been updated (OED Third Edition, March 2002; most recently modified version published online March 2022). < n.adj.a1398 |
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