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2025-07-21

“elliptic”的英文意思

单词 elliptic
释义 elliptic, a.|ɛˈlɪptɪk|
[ad. Gr. ἐλλειπτικός elliptic, defective, f. ἐλλείπειν to come short: cf. ellipse.]
1. That has the form of an ellipse; pertaining to ellipses.
1726tr. Gregory's Astron. I. 380 If the whole Area..of the Elliptic Orbit be imagined to be divided into 360 equal Parts.1776Gibbon Decl. & F. I. xii. 262 A building of an elliptic figure.1808A. Parsons Trav. Afr. iii. 36 All others [arches] which I had hitherto observed being eliptick.1830Sir J. Herschel Stud. Nat. Phil. 11 These are the steps by which we have risen to a knowledge of the elliptic motions of the planets.1877B. Williamson Int. Calculus vii. 190 The area of any elliptic sector.1888W. W. R. Ball Hist. Math. 292 The rectification of an elliptic arc.
That has an elliptic (as opposed to a circular orbit): in quot. = ‘eccentric’.
1806Moore Epist. ii. i. 42 Every wild, elliptic star.
b. elliptic chuck: a chuck for oval or elliptic turning; elliptic compass(es, an instrument for drawing ellipses; elliptic spring (for carriages), a spring formed by two sets of curved plates, forming two elliptic arcs united at the ends.
c. Comb. In definitions of form: (Bot.) elliptic-lanceolate, elliptic-oblong, elliptic-obovate, elliptic-ovate, elliptic-ovoid adjs., having a form intermediate between elliptic and lanceolate, etc.
1845Lindley Sch. Bot. vi. (1858) 88 Radical [leaves] *elliptic-lanceolate.
1870Hooker Stud. Flora 54 Lower leaves petioled *elliptic-oblong.
Ibid. 417 Rhombic or *elliptic-obovate.
Ibid. 234 Leaves *elliptic-ovate.
Ibid. 410 Perigynia *elliptic-ovoid.
2. elliptic integrals: a class of integrals discovered by Legendre in 1786, so named because their discovery was the result of the investigation of elliptic arcs. elliptic functions: certain specific functions of these integrals. (Formerly the term elliptic functions was applied to what are now called elliptic integrals.)
1845Penny Cycl. 1st Supp. s.v., A large class of integrals closely related to and containing among them the expression for the arc of an ellipse have received the name of Elliptic functions.1876Cayley Elliptic Functions 8 sn u is a sort of sine function, and cn u, dn u are sorts of cosine-functions of u; these are called Elliptic Functions.1881Williamson in Encycl. Brit. XIII. 63 The epithet ‘elliptic’ applied to these integrals is purely conventional, arising from the connexion of one of them with the arc of an ellipse.
3. Gram. Of sentences, phrases, or style: Characterized by ellipsis; = elliptical 2.
4. quasi-n. (nonce-use.)
1807Southey Espriella's Lett. (1814) II. 79 They were talking of parabolics and elliptics, and describing diagrams on the table with a wet finger.
Hence as combining form eˈlliptico-.
1876Harley Mat. Med. 389 Leaves..elliptico-lanceolate.1883St. James's Gaz. 3 Feb. 6 His style..is of the elliptico-interjectional sort.
“elliptic”的英文意思

 

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