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cone
cone / kōn/ • n. 1. a solid or hollow object that tapers from a circular or roughly circular base to a point. ∎ Math. a surface or solid figure generated by the straight lines that pass from a circle or other closed curve to a single point (the vertex) not in the same plane as the curve. A cone with the vertex perpendicularly over the center of a circular base is a right circular cone. ∎ (also traffic cone) a plastic cone-shaped object that is used to separate off or close sections of a road. ∎ an edible wafer container shaped like a cone in which ice cream is served. ∎ a conical mountain or peak, esp. one of volcanic origin. ∎ (also pyrometric cone) a ceramic pyramid that melts at a known temperature and is used to indicate the temperature of a kiln. 2. the dry fruit of a conifer, typically tapering to a rounded end and formed of a tight array of overlapping scales on a central axis that separate to release the seeds. ∎ a flower resembling a pine cone, esp. that of the hop plant. 3. Anat. a light-sensitive cell of one of the two types present in the retina of the eye, responding mainly to bright light and responsible for sharpness of vision and color perception. Compare with rod (sense 5). |
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"cone." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "cone." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O999-cone.html "cone." The Oxford Pocket Dictionary of Current English. 2009. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-cone.html |
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cone
cone or conical surface, in mathematics, surface generated by a moving line (the generator) that passes through a given fixed point (the vertex) and continually intersects a given fixed curve (the directrix). The generator creates two conical surfaces—one above and one below the vertex—called nappes. If the directing curve is a conic section (e.g., a circle or ellipse) the cone is called a quadric cone. The most common type of cone is the right circular cone, a quadric cone in which the directrix is a circle and the line drawn from the vertex to the center of the circle is perpendicular to the circle. The generator of a cone in any of its positions is called an element. The solid bounded by a conical surface and a plane (the base) whose intersection with the conical surface is a closed curve is also called a cone. The altitude of a cone is the perpendicular distance from its vertex to its base. The lateral area is the area of its conical surface. The volume is equal to one third the product of the altitude and the area of the base. The frustum of a cone is the portion of the cone between the base and a plane parallel to the base of the cone cutting the cone in two parts. |
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"cone." The Columbia Encyclopedia, 6th ed.. 2008. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "cone." The Columbia Encyclopedia, 6th ed.. 2008. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1E1-cone-mth.html "cone." The Columbia Encyclopedia, 6th ed.. 2008. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-cone-mth.html |
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conic
conic (conic section) Curve found by the intersection of a plane with a cone. Circles, ellipses, parabolas or hyperbolas are conic sections. Alternatively a conic is the locus of a point that moves so that the ratio of its distances from a fixed point (the focus) and a fixed line (the directrix) is constant. This ratio is called the eccentricity (e): e = 1 gives a parabola, e >1 a hyperbola, e <1 an ellipse, and e = 0 a circle.
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"conic." World Encyclopedia. 2005. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "conic." World Encyclopedia. 2005. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O142-conic.html "conic." World Encyclopedia. 2005. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O142-conic.html |
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cone
cone figure of which the base is a circle and the summit a point XVI (in earlier use her. †angular division of a shield XV). — F. cône or L. cōnus — Gr. kônos pine-cone, geometrical cone, etc., rel. to HONE.
So conic, -ical XVI. — modL. cōnicus — Gr. kōnikós. |
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T. F. HOAD. "cone." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. T. F. HOAD. "cone." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O27-cone.html T. F. HOAD. "cone." The Concise Oxford Dictionary of English Etymology. 1996. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O27-cone.html |
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cone
cone (kohn) n. one of the two types of light-sensitive cells in the retina of the eye (compare rod). Cones are essential for acute vision and can also distinguish colours.
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"cone." A Dictionary of Nursing. 2008. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "cone." A Dictionary of Nursing. 2008. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O62-cone.html "cone." A Dictionary of Nursing. 2008. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O62-cone.html |
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cone
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JAMES STEVENS CURL. "cone." A Dictionary of Architecture and Landscape Architecture. 2000. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. JAMES STEVENS CURL. "cone." A Dictionary of Architecture and Landscape Architecture. 2000. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O1-cone.html JAMES STEVENS CURL. "cone." A Dictionary of Architecture and Landscape Architecture. 2000. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O1-cone.html |
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conic
con·ic / ˈkänik/ chiefly Math. • adj. of or like a cone. • n. short for conic section. See also conics. |
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Cite this article
"conic." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "conic." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O999-conic.html "conic." The Oxford Pocket Dictionary of Current English. 2009. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-conic.html |
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Cone
Conea cone-like shape; used figuratively. See also cock. Examples: cone of flame, 1813; of prelacy, 1641; of rays, 1831; of shade, 1667. |
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"Cone." Dictionary of Collective Nouns and Group Terms. 1985. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "Cone." Dictionary of Collective Nouns and Group Terms. 1985. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1G2-2505300394.html "Cone." Dictionary of Collective Nouns and Group Terms. 1985. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1G2-2505300394.html |
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conic
conic see CONE.
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Cite this article
T. F. HOAD. "conic." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. T. F. HOAD. "conic." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O27-conic.html T. F. HOAD. "conic." The Concise Oxford Dictionary of English Etymology. 1996. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O27-conic.html |
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cone
cone
•alone, atone, Beaune, bemoan, blown, bone, Capone, clone, Cohn, Cologne, condone, cone, co-own, crone, drone, enthrone, flown, foreknown, foreshown, groan, grown, half-tone, home-grown, hone, Joan, known, leone, loan, lone, moan, Mon, mown, ochone, outflown, outgrown, own, phone, pone, prone, Rhône, roan, rone, sewn, shown, Simone, Sloane, Soane, sone, sown, stone, strown, throne, thrown, tone, trombone, Tyrone, unbeknown, undersown, zone
•Dione • backbone • hambone
•breastbone • aitchbone
•tail bone, whalebone
•cheekbone • shin bone • hip bone
•wishbone • splint bone • herringbone
•thigh bone • jawbone • marrowbone
•knuckle bone • collarbone
•methadone • headphone • cellphone
•heckelphone • payphone • Freefone
•radio-telephone, telephone
•videophone • francophone
•megaphone • speakerphone
•allophone • Anglophone • xylophone
•gramophone • homophone
•vibraphone • microphone
•saxophone • answerphone
•dictaphone
•sarrusophone, sousaphone
•silicone • pine cone • snow cone
•flyblown • cyclone • violone
•hormone • pheromone • Oenone
•chaperone • progesterone
•testosterone
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Cite this article
"cone." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "cone." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O233-cone.html "cone." Oxford Dictionary of Rhymes. 2007. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O233-cone.html |
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conic
conic
•aldermanic, botanic, Brahmanic, Britannic, epiphanic, galvanic, Germanic, Hispanic, interoceanic, Koranic, manganic, manic, mechanic, messianic, oceanic, organic, panic, Puranic, Romanic, satanic, shamanic, talismanic, titanic, transoceanic, tympanic, volcanic
•anthropogenic, arsenic, autogenic, callisthenic (US calisthenic), carcinogenic, cariogenic, cryogenic, erotogenic, eugenic, fennec, hallucinogenic, Hellenic, hypo-allergenic, photogenic, pyrogenic, radiogenic, schizophrenic, telegenic
•polytechnic, pyrotechnic, technic
•Chetnik
•ethnic, multi-ethnic
•Selznick
•hygienic, scenic
•peacenik • beatnik
•actinic, clinic, cynic, Finnic, Jacobinic, rabbinic
•picnic, pyknic
•hymnic • Iznik • Dominic
•anachronic, animatronic, bionic, Brythonic, bubonic, Byronic, canonic, carbonic, catatonic, chalcedonic, chronic, colonic, conic, cyclonic, daemonic, demonic, diatonic, draconic, electronic, embryonic, euphonic, harmonic, hegemonic, histrionic, homophonic, hypersonic, iconic, ionic, ironic, isotonic, laconic, macaronic, Masonic, Miltonic, mnemonic, monotonic, moronic, Napoleonic, philharmonic, phonic, Platonic, Plutonic, polyphonic, quadraphonic, sardonic, saxophonic, siphonic, Slavonic, sonic, stereophonic, subsonic, subtonic, symphonic, tectonic, Teutonic, thermionic, tonic, transonic, ultrasonic
•Dubrovnik
•Munich, Punic, runic, tunic
•refusenik • nudnik • kibbutznik
•sputnik • Metternich
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Cite this article
"conic." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. 11 Feb. 2012 <http://www.encyclopedia.com>. "conic." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. (February 11, 2012). http://www.encyclopedia.com/doc/1O233-conic.html "conic." Oxford Dictionary of Rhymes. 2007. Retrieved February 11, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O233-conic.html |
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