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Universalium. 2010.
oblique circular cone — Geom. a cone whose surface is generated by lines joining a fixed point to the points of a circle, the fixed point lying on a line that is not perpendicular to the circle at its center. Cf. right circular cone. [‡1950 55] … Useful english dictionary
right circular cone — noun or right cone : cone 2a * * * Geom. a cone whose surface is generated by lines joining a fixed point to the points of a circle, the fixed point lying on a perpendicular through the center of the circle. Cf. oblique circular cone. See illus.… … Useful english dictionary
right circular cone — Geom. a cone whose surface is generated by lines joining a fixed point to the points of a circle, the fixed point lying on a perpendicular through the center of the circle. Cf. oblique circular cone. See illus. under cone. [1940 45] * * * … Universalium
cone´less — cone «kohn», noun, verb, coned, con|ing. –n. 1. a solid object that has a flat, round base and narrows to a point at the top. 2. Geometry. a surface traced by a moving straight line, one point of which is fixed, the opposite end constantly… … Useful english dictionary
Cone (geometry) — Not to be confused with the conical surface.. A right circular cone and an oblique circular cone A cone is an n dimensional geometric shape that tapers smoothly from a base (usually flat and circular) to a point called the apex or vertex.… … Wikipedia
cone — /koʊn / (say kohn) noun 1. a solid with a circular base, whose straight sides converge in a point. 2. Geometry a solid whose surface is generated by the straight lines joining a fixed point to the points of a plane curve whose plane does not… …
cone — /kohn/, n., v., coned, coning. n. 1. Geom. a. a solid whose surface is generated by a line passing through a fixed point and a fixed plane curve not containing the point, consisting of two equal sections joined at a vertex. b. a plane surface… … Universalium
cone — (Roget s IV) n. 1. [A conical object] Syn. conoid, cone shaped area, conoidal area, conoidal surface, funnel, cornet, strobiloid. Types of cones include: circular, right circular, chief, stepped, supplemental, oblique, retinal, endostylic,… … English dictionary for students
Apollonius of Perga — Apollonius of Perga. Apollonius of Perga [Pergaeus] (Ancient Greek: Ἀπολλώνιος) (ca. 262 BC – ca. 190 BC) was a Greek geometer and astronomer noted for his writings on conic sections. His innovative methodology and terminology, especially in the… … Wikipedia
Democritus — Full name Democritus Born ca. 460 BC Abdera, Thrace Died ca. 370 BC (Aged 90) Era … Wikipedia
