Definition of cone

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Cone (n.) A shell of the genus Conus, having a conical form..

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Ellipse :: Ellipse (n.) An oval or oblong figure, bounded by a regular curve, which corresponds to an oblique projection of a circle, or an oblique section of a cone through its opposite sides. The greatest diameter of the ellipse is the major axis, and the least diameter is the minor axis. See Conic section, under Conic, and cf. Focus..
Chromophane :: Chromophane (n.) A general name for the several coloring matters, red, green, yellow, etc., present in the inner segments in the cones of the retina, held in solution by fats, and slowly decolorized by light; distinct from the photochemical pigments of the rods of the retina..
Multiserial :: Multiserial (a.) Arranged in many rows, or series, as the scales of a pine cone, or the leaves of the houseleek..
Hyperbola :: Hyperbola (n.) A curve formed by a section of a cone, when the cutting plane makes a greater angle with the base than the side of the cone makes. It is a plane curve such that the difference of the distances from any point of it to two fixed points, called foci, is equal to a given distance. See Focus. If the cutting plane be produced so as to cut the opposite cone, another curve will be formed, which is also an hyperbola. Both curves are regarded as branches of the same hyperbola. See Illust. o
Belemnite :: Belemnite (n.) A conical calcareous fossil, tapering to a point at the lower extremity, with a conical cavity at the other end, where it is ordinarily broken; but when perfect it contains a small chambered cone, called the phragmocone, prolonged, on one side, into a delicate concave blade; the thunderstone. It is the internal shell of a cephalopod related to the sepia, and belonging to an extinct family. The belemnites are found in rocks of the Jurassic and Cretaceous ages..
Conics :: Conics (n.) That branch of geometry which treats of the cone and the curves which arise from its sections.
Stalactite :: Stalactite (n.) A pendent cone or cylinder of calcium carbonate resembling an icicle in form and mode of attachment. Stalactites are found depending from the roof or sides of caverns, and are produced by deposition from waters which have percolated through, and partially dissolved, the overlying limestone rocks..
Infundibuliform :: Infundibuliform (a.) Having the form of a funnel or cone; funnel-shaped.
Cone :: Cone (v. t.) To render cone-shaped; to bevel like the circular segment of a cone; as, to cone the tires of car wheels..
Bevel Gear :: Bevel gear () A kind of gear in which the two wheels working together lie in different planes, and have their teeth cut at right angles to the surfaces of two cones whose apices coincide with the point where the axes of the wheels would meet..
Coneine :: Coneine (n.) See Conine.
Coney :: Coney (n.) A rabbit. See Cony.
Conifer :: Conifer (n.) A tree or shrub bearing cones; one of the order Coniferae, which includes the pine, cypress, and (according to some) the yew..
Proboscidifera :: Proboscidifera (n. pl.) An extensive division of pectinibranchiate gastropods, including those that have a long retractile proboscis, with the mouth at the end, as the cones, whelks, tritons, and cowries. See Illust. of Gastropoda, and of Winkle..
Cone :: Cone (n.) A solid of the form described by the revolution of a right-angled triangle about one of the sides adjacent to the right angle; -- called also a right cone. More generally, any solid having a vertical point and bounded by a surface which is described by a straight line always passing through that vertical point; a solid having a circle for its base and tapering to a point or vertex..
Ganoidei :: Ganoidei (n. pl.) One of the subclasses of fishes. They have an arterial cone and bulb, spiral intestinal valve, and the optic nerves united by a chiasma. Many of the species are covered with bony plates, or with ganoid scales; others have cycloid scales..
Leash :: Leash (n.) A thong of leather, or a long cord, by which a falconer holds his hawk, or a courser his dog..
Hind :: Hind (n.) A spotted food fish of the genus Epinephelus, as E. apua of Bermuda, and E. Drummond-hayi of Florida; -- called also coney, John Paw, spotted hind..
Intercolline :: Intercolline (a.) Situated between hills; -- applied especially to valleys lying between volcanic cones.
Phragmosiphon :: Phragmosiphon (n.) The siphon of a phragmocone.
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