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(Mathematics) (functioning as singular) the branch of geometry concerned with the parabola, ellipse, and hyperbola
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈkɒn ɪks)

n. (used with a sing. v.)
the branch of geometry that deals with conic sections.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in classic literature ?
It was then passing over Mabunguru, a stony country, strewn with blocks of syenite of a fine polish, and knobbed with huge bowlders and angular ridges of rock; conic masses, like the rocks of Karnak, studded the soil like so many Druidic dolmens; the bones of buffaloes and elephants whitened it here and there; but few trees could be seen, excepting in the east, where there were dense woods, among which a few villages lay half concealed.
"The hyperbola, Michel, is a curve of the second order, produced by the intersection of a conic surface and a plane parallel to its axis, and constitutes two branches separated one from the other, both tending indefinitely in the two directions."
Though each essay is independent, a few central themes emerge, namely, trigonometry, convexity, rigidity, area, volume, and the relation between non-Euclidean geometry and projective geometry, particularly in connection with conics, quadrics, and quadratic forms.
For that reason it is very hard to distinguish differences between the exact and modelled Conics in Fig.
Each pair of conics [S.sub.n] and [M.sub.n] are determined by an iterative process where the feed ray direction [[theta].sub.F] is uniformly varied from [[theta].sub.F0] = 0(n = 0) up to the subreflector edge angle [[theta].sub.FN] = [[theta].sub.E] (n = N).
By [11, Corollaire 2], Lemma 11 and the assumptions on the lines and the conics of C, for any integer t > 5 and any plane N c M we have [h.sup.1](N, [I.sub.C[intersection]N,N](t)) = 0.
Other topics are rational points on elliptic curves, conics and the p-adic numbers, the zeta function, and algebraic number theory.
After a review of functions, coverage progresses from limit of a function through derivatives and applications, integrals and applications, techniques of integration, first-order differential equations, sequences and series, and conics and polar coordinates.
From figure 3 can be observed the advantage shown by the shrink joints with the double conics intermediate elements fig.1c, which allows the obtaining of high performance solutions.
Conics have traditionally been introduced using the specific graph sheet that is shown below.
A relevant question to ask is: Are the loci conics as well?
In proposition fourteen of his book On the Conics, Apollonius proposes to demonstrate that the asymptotes and the hyperbole come closer to one another indefinitely without actually ever meeting.