elliptic
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English
[edit]Etymology
[edit]From Ancient Greek ἐλλειπτικός (elleiptikós), from ἐλλείπω (elleípō, “I leave out, omit”). By surface analysis, ellipse + -tic.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/8/8f/Leaf_morphology_elliptic.png/150px-Leaf_morphology_elliptic.png)
Pronunciation
[edit]- IPA(key): /ɪˈlɪptɪk/
Audio (Southern England): (file)
Adjective
[edit]elliptic (not comparable)
- (geometry) Of or pertaining to an ellipse.
- 1705, George Cheyne, “Of the Physical Laws, and the Uniform Appearances of Nature. Law III.”, in Philosophical Principles of Natural Religion: […], London: […] George Strahan […], →OCLC, § XXIV, page 39:
- Novv ſince the Planets move in Elliptick Orbits, in one of vvhoſe foci the Sun is, and by a Radius from the Sun deſcribe equal Area's in equal Times, vvhich no other Lavv of a Circulating Fluid, but the Harmonical Circulation can Account for, vve muſt find out a Lavv for the Paracentrical Motion, that may make the Orbits Elliptick.
- 1995, Patrick J. Roache, Elliptic Marching Methods and Domain Decomposition, page 1:
- In this chapter, the history of solving elliptic problems by direct marching methods is reviewed.
- (mathematics) Of or pertaining to a broad field of mathematics that originates from the problem of calculating arc lengths of an ellipse.
- (mathematics, in combination, of certain functions, equations and operators) That has coefficients satisfying a condition analogous to the condition for the general equation for a conic section to be of an ellipse.
- (botany, of leaves) Oval, with a short or no point.
- (linguistics) Of, or showing ellipsis; having a word or words omitted; elliptical.
- 2007, Karin Aijmer, “Idiomaticity in a cultural and activity type perspective: The conventionalization of routine phrases in answering-machine messages”, in Phraseology and Culture in English, page 331:
- The message, which is elliptic, could be spelled out as: (Hello) Olive. This is Julian. I am here until you want to ring me.
Synonyms
[edit]- (of or pertaining to an ellipse): elliptical
Coordinate terms
[edit]- (whose coefficients satisfy a condition): hyperbolic, parabolic
Derived terms
[edit]Related terms
[edit]Translations
[edit]relating to an ellipse or its mathematical definition
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Noun
[edit]elliptic (plural elliptics)
- An elliptical function, equation, path, etc.
- 1765, John Nichols, “[New Ænigmas, to be answered next Year.] (2.) Ænigma 192”, in The Gentleman’s Diary, or The Mathematical Repository; an Almanack […], London: […] [T]he Company of Stationers, page 45:
- The Planetary Paths I trace, / Exploring Realms of boundleſs Space; / Elliptics, Angles, Cubes, and Curves, / In me ſupply the Place of Nerves; […]
- 1807, Manuel Alvarez Espriella [pseudonym; Robert Southey], “Mail Coaches.—Mr. Palmer ill-used.—Vicinity of Birmingham.—Collieries on fire.—Stafford.—Stone.—Newcastle-under-Line.—Punishments for Scolding.—Cheshire.—Bridgewater Arms at Manchester.”, in Letters from England, volume II, London: […] Longman, Hurst, Rees and Orme, […], page 137:
- Two men were smoking over a bottle of wine at one table; they were talking of parabolics and elliptics, and describing diagrams on the table with a wet finger; […]
- 1916, “Platinum Bill” [pseudonym; Wilfrid Robert Smith], “The Dreamster”, in Under the Northern Lights, Portland, Ore.: The Columbia Printing Co., stanza II, pages 32–33:
- Diagrams geometric, on parchmental scroll; / Circles, ovals, elliptics and such, / He sure figures will tell what is inside the knoll, / And tho far under ground, he’s in touch / With the hidden deposits of mineral ore, / And lost channels ’neath mountains he feels: […]
- 1987 December, Benjamin Fine, “Fuchsian embeddings in the Bianchi groups”, in Canadian Journal of Mathematics, volume XXXIX, number 6, page 1435:
- The fix points of hyperbolics and parabolics in F must lie on the fixed circle C, while the fixed points of elliptics in F are inverse with respect to C.
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