单词	hyperbola
释义	hyperbola noun hy·​per·​bo·​la hī-ˈpər-bə-lə  plural hyperbolas or hyperbolae hī-ˈpər-bə-(ˌ)lē  : a plane curve generated by a point so moving that the difference of the distances from two fixed points is a constant : a curve formed by the intersection of a double right circular cone with a plane that cuts both halves of the cone Illustration of hyperbola AB CD axes; F F′ foci; xy zw asymptotes; h h′ h″ h′′′ hyperbola Example Sentences Recent Examples on the Web Claira Chong can graph hyperbola but couldn't write a check. Karina Bland, The Arizona Republic, 22 Apr. 2021 This same relationship between monetary aggregates and the value of a currency (a hyperbola, for those who remember geometry) applies to other advanced economies and to other monetary measures such as M2 money supply. Douglas Carr, National Review, 14 Sep. 2020 The graphs of such curves are the conic sections — circles, parabolas, ellipses and hyperbolas. Quanta Magazine, 9 July 2013 The class doesn’t cover some lessons on circles, hyperbolas, and ellipses, but those topics are more relevant to precalculus, Gurule said. Shaina Cavazos, The Atlantic, 9 Feb. 2018 Clouds are never spheres, nor mountains cones, nor Ponderosa pines;bark is not smooth; and where the land and seaso variously lie about each otherand lightly kiss, is no hyperbola. Evelyn Lamb, Smithsonian, 24 Apr. 2018 Word History Etymology New Latin, from Greek hyperbolē First Known Use 1668, in the meaning defined above Phrases Containing hyperbola equilateral hyperbola equilateral hyperbola
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