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• Light cone — in 2D space plus a time dimension. A light cone is the path that a flash of light, emanating from a single event (localized to a single point in space and a single moment in time) and traveling in all directions, would take through spacetime. If… …   Wikipedia

• 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 Nebula — Taken on April 2, 2002 by the Hubble Telescope …   Wikipedia

• Cone sisters — Claribel Cone, Gertrude Stein, Etta Cone 1903 Born Claribel 1864, Etta 1870 Jonesboro, Tennessee Died Claribel 1929, Etta 1949 Baltimore, Maryland Education …   Wikipedia

• Cone — (k[=o]n?), n. [L. conus cone (in sense 1), Gr. kw^nos; akin to Skr. [,c]ana whetstone, L. cuneus wedge, and prob. to E. hone. See {Hone}, n.] 1. (Geom.) A solid of the form described by the revolution of a right angled triangle about one of the… …   The Collaborative International Dictionary of English

• Cone of rays — Cone Cone (k[=o]n?), n. [L. conus cone (in sense 1), Gr. kw^nos; akin to Skr. [,c]ana whetstone, L. cuneus wedge, and prob. to E. hone. See {Hone}, n.] 1. (Geom.) A solid of the form described by the revolution of a right angled triangle about… …   The Collaborative International Dictionary of English

• Cone pulley — Cone Cone (k[=o]n?), n. [L. conus cone (in sense 1), Gr. kw^nos; akin to Skr. [,c]ana whetstone, L. cuneus wedge, and prob. to E. hone. See {Hone}, n.] 1. (Geom.) A solid of the form described by the revolution of a right angled triangle about… …   The Collaborative International Dictionary of English

• cone — [kōn] n. [ME < L conus < Gr kōnos, a wedge, peak, cone < IE base kō(n) , to sharpen > HONE1, L cos] 1. a) a flat based, single pointed solid formed by a rotating straight line that traces out a closed curved base from a fixed vertex… …   English World dictionary

• cone — ► NOUN 1) an object which tapers from a circular or roughly circular base to a point. 2) (also traffic cone) a plastic cone used to separate off sections of a road. 3) the cone shaped dry fruit of a conifer. 4) one of two types of light sensitive …   English terms dictionary

• light spot — cone of light …   Medical dictionary

• Cone cell — Neuron: Cone Cell Normalized responsivity spectra of human cone cells, S, M, and L types NeuroLex ID …   Wikipedia