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单词 intersect
释义

intersectn.

/ˈɪntəsɛkt/
Etymology: < Latin intersectum, neuter of past participle of intersecāre : see intersect v.
1. = insect n. Obsolete.
ΘΚΠ
the world > animals > invertebrates > phylum Arthropoda > class Insecta > [noun] > member of
buddea1200
Bruchusa1398
cut-fowl1587
insect1601
intersect1655
beastie1820
scallop hook tip1829
hexapod1875
wog1922
1655 H. L'Estrange Reign King Charles 74 Whilest he the head, and his subjects the body, were at a distance, or like intersects and flies, tacked together by a mathematical line, and imaginary thread.
2. Geometry. A point of intersection.
ΘΚΠ
the world > relative properties > number > geometry > point > [noun] > of intersection or contact
toucha1398
touchpoint1585
foot1652
contact1660
section?1677
origin1723
node1866
biflecnode1879
intersect1886
meet1893
1886 Athenæum 19 June 815/1 Mr. Marth gave an account of his method of mapping the curves described by the intersects of the planetary orbits with a plane at right angles to the ecliptic.
This entry has not yet been fully updated (first published 1900; most recently modified version published online December 2018).

intersectv.

/ɪntəˈsɛkt/
Etymology: < Latin intersect-, participial stem of intersecāre to cut asunder, intersect, < inter between + secāre to cut (see -sect comb. form).
1.
a. transitive. To divide (something) in two by passing through or lying across it; to cross. Frequently in passive (const. with or by).
ΘΚΠ
the world > space > relative position > fact or condition of being transverse > intersection > intersect [verb (transitive)]
crossc1400
overcarvec1400
cut?a1475
intersect1615
decussate1658
decuss1782
transect1861
the world > relative properties > number > specific numbers > two > division into two > divide in two [verb (transitive)] > form dividing line between
intersect1615
1615 H. Crooke Μικροκοσμογραϕια 351 Why they are obliquely placed and intersect themselues Varolius hath elegantly shewd.
1713 A. Pope in Guardian 26 June 1/2 Tim. Tuck, the Hero..is particularly remarkable for the length of his Sword, which intersects his Person in a cross Line, and makes him appear not unlike a Fly, that the Boys have run a Pin thro', and set a walking.
1776 E. Gibbon Decline & Fall I. xiii. 396 Four streets, intersecting each other at right angles.
1793 Craufurd in Ld. Auckland's Corr. (1862) III. 132 The ground was so broken and intersected with ravines, that not a horseman could act.
1839 R. I. Murchison Silurian Syst. xxii. 284 It is often intersected by numerous veins of vitreous quartz.
1860 J. Tyndall Glaciers of Alps i. xix. 135 Crevasses also intersect the ice.
b. Geometry. Of a line or surface: To pass through or across (a line or surface), so as to lie on both sides of it with one point (or line) in common: = cut v. 15b.
ΘΚΠ
the world > space > relative position > fact or condition of being transverse > intersection > intersect [verb (transitive)] > a line
intersect1646
1646 Sir T. Browne Pseudodoxia Epidemica vi. v. 292 Being in the Æquator it would intersect their Horizon, and be halfe above and halfe beneath it. View more context for this quotation
1700 Moxon's Mech. Exercises: Bricklayers-wks. 30 Where these two Arches Intersect, or cut each other, there is the Center.
1840 D. Lardner Treat. Geom. x. 125 If two chords intersect each other in a circle, the rectangle under the segments of the one will be equal to the rectangle under the segments of the other.
1858 O. W. Holmes Autocrat of Breakfast-table xii. 330 Keep any line of knowledge ten years and some other line will intersect it.
1873 B. Williamson Elem. Treat. Differential Calculus (ed. 2) xiii. §190 Every [straight] line must intersect a curve of an odd degree in at least one real point.
c. Of a person: To come across, cross (another person, or his course); to intercept. rare.
ΘΚΠ
the world > existence and causation > occurrence > [verb (transitive)] > encounter or experience > of a person
meetOE
rencounter1574
to come on ——a1599
intersect1858
1858 T. Carlyle Hist. Friedrich II of Prussia II. ix. vi. 461 Grumkow, we suppose, drives forth from Berlin, to intersect him, in the Neumark.
1873 H. B. Tristram Land of Moab viii. 154 Shepherds hurriedly stalking forth ahead, so as to intersect our path.
d. To divide or separate (two things) by passing between them. rare.
ΘΚΠ
the world > space > relative position > condition or fact of being interjacent > be or make interjacent [verb (transitive)] > partition or form a partition
sever1422
part1458
intercept1662
intersect1785
split1795
partition1818
screen1850
fence1881
1785 W. Cowper Task ii. 16 Lands intersected by a narrow frith Abhor each other.
2.
a. intransitive (for reflexive). To cross or cut each another: chiefly Geometry of lines or surfaces.1755 in Johnson: quoting Wiseman in error: see quot. 1676 at interject v. 2a.
ΘΚΠ
the world > space > relative position > fact or condition of being transverse > intersection > intersect [verb (intransitive)]
interject1605
interfere1647
decussate1713
intersect1849
1849 G. Grote Hist. Greece VI. ii. xlvii. 27 Straight streets intersecting at right angles.
1869 J. Tyndall Notes 9 Lect. on Light 24 The rays from a luminous point placed beyond the focus intersect at the opposite side of the lens.
1873 B. Williamson Elem. Treat. Differential Calculus (ed. 2) xiv. §204 The Lemniscate whose equation is (x2 + y2)2 = a (x2y2)..[has] two branches intersecting at the origin.
b. Logic. (See quot. 1864.)
ΘΚΠ
the mind > mental capacity > philosophy > logic > logical classification > [verb (intransitive)]
judgec1325
intersect1864
1864 F. C. Bowen Treat. Logic iv. 93 Concepts are said to intersect, when the Extension of one coincides in part, and only in part, with the Extension of the other. Thus, Frenchman and Protestant are Intersecting Concepts, for some Frenchmen are Protestants and some are not, some Protestants are Frenchmen and some are not. These may be symbolized by two circles whose circumferences intersect each other.
This entry has not yet been fully updated (first published 1900; most recently modified version published online March 2022).
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n.1655v.1615
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