indicatrix

indicatrix
An ellipsoid whose three axes represent the refractive indices of an anisotropic crystal for light following different directions with respect to the crystal axes

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  • Indicatrix — In di*ca trix, n. [NL.] (Geom. of Three Dimensions) A certain conic section supposed to be drawn in the tangent plane to any surface, and used to determine the accidents of curvature of the surface at the point of contact. The curve is similar to …   The Collaborative International Dictionary of English

  • Indicatrix — (indikatorische Linie), s. Flächentheorie, Bd. 4, S. 73 …   Lexikon der gesamten Technik

  • indicatrix — indikatrisė statusas T sritis fizika atitikmenys: angl. indicatrix vok. Indikatrix, f rus. индикатриса, f pranc. indicatrice, f …   Fizikos terminų žodynas

  • indicatrix — in·dica·trix …   English syllables

  • indicatrix — |ində̇|kā.triks, ə̇nˈdikə.(ˌ)t noun ( es) Etymology: New Latin, feminine of Late Latin indicator more at trix : an ellipsoid whose axes are proportional to the principal refractive indices of a crystal and from which various optical properties of …   Useful english dictionary

  • Tissot's Indicatrix — Tissot’s indicatrix, or ellipse of distortion, is a concept developed by French mathematician Nicolas Auguste Tissot, in 1859 and 1871, to measure and illustrate distortions due to map projection. It is the theoretical figure that results from… …   Wikipedia

  • Dupin indicatrix — The Dupin indicatrix is a method for characterising the local shape of a surface. Draw a plane parallel to the tangent plane and a small distance away from it. Consider the intersection of the surface with this plane. The shape of the… …   Wikipedia

  • diffusion indicatrix — sklaidos indikatrisė statusas T sritis fizika atitikmenys: angl. diffusion indicatrix; scattering indicatrix vok. Streuindikatrix, f; Streuungsdiagramm, n rus. индикатриса рассеяния, f pranc. indicatrice de diffusion, f …   Fizikos terminų žodynas

  • scattering indicatrix — sklaidos indikatrisė statusas T sritis fizika atitikmenys: angl. diffusion indicatrix; scattering indicatrix vok. Streuindikatrix, f; Streuungsdiagramm, n rus. индикатриса рассеяния, f pranc. indicatrice de diffusion, f …   Fizikos terminų žodynas

  • Scale (map) — The scale of a map is defined as the ratio of a distance on the map to the corresponding distance on the ground. If the region of the map is small enough for the curvature of the Earth to be neglected, then the scale may be taken as a constant… …   Wikipedia

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