**hyperboloid of revolution** — the surface generated by a hyperbola rotating about one of its axes … Useful english dictionary

**The Hyperboloid of Engineer Garin** — infobox Book | name = The Garin Death Ray title orig = Гиперболоид инженера Гарина translator = Bernard Guilbert Guerney (1st edition) George Hanna (revised ed.) image caption = Cover of the 1955 English revised edition author = Aleksey Tolstoy… … Wikipedia

**Hyperboloid structure** — Hyperboloid structures are architectural structures designed with hyperboloid geometry. Often these are tall structures such as towers where the hyperboloid geometry s structural strength is used to support an object high off the ground, but… … Wikipedia

**Hyperboloid** — Hy*per bo*loid, n. [Hyperbola + oid: cf. F. hyperbolo[ i]de.] (Geom.) A surface of the second order, which is cut by certain planes in hyperbolas; also, the solid, bounded in part by such a surface. [1913 Webster] {Hyperboloid of revolution}, an… … The Collaborative International Dictionary of English

**Hyperboloid** — Not to be confused with Hyperbolic paraboloid. Hyperboloid of one sheet … Wikipedia

**hyperboloid** — hyperboloidal, adj. /huy perr beuh loyd /, n. Math. a quadric surface having a finite center and some of its plane sections hyperbolas. Equation: x2/a2 + y2/b2 z2/c2 = 1. [1720 30; HYPERBOL(A) + OID] * * * ▪ mathematics the open surface… … Universalium

**Cathedral of Brasília** — The Cathedral of Brasília ( Catedral Metropolitana Nossa Senhora Aparecida ) in the capital of the Federative Republic of Brazil, is an expression of the architect Oscar Niemeyer. This concrete framed hyperboloid structure, seems with its glass… … Wikipedia

**Circle of the gorge** — Gorge Gorge, n. [F. gorge, LL. gorgia, throat, narrow pass, and gorga abyss, whirlpool, prob. fr. L. gurgea whirlpool, gulf, abyss; cf. Skr. gargara whirlpool, g[.r] to devour. Cf. {Gorget}.] 1. The throat; the gullet; the canal by which food… … The Collaborative International Dictionary of English

**Differential geometry of surfaces** — Carl Friedrich Gauss in 1828 In mathematics, the differential geometry of surfaces deals with smooth surfaces with various additional structures, most often, a Riemannian metric. Surfaces have been extensively studied from various perspectives:… … Wikipedia

**History of mathematics** — A proof from Euclid s Elements, widely considered the most influential textbook of all time.[1] … Wikipedia