INDICATRIX
\ˌɪndɪkˈe͡ɪtɹɪks], \ˌɪndɪkˈeɪtɹɪks], \ˌɪ_n_d_ɪ_k_ˈeɪ_t_ɹ_ɪ_k_s]\
Definitions of INDICATRIX
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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 intersection of the surface with a parallel to the tangent plane and indefinitely near it. It is an ellipse when the curvature is synclastic, and an hyperbola when the curvature is anticlastic.
By Oddity Software
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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 intersection of the surface with a parallel to the tangent plane and indefinitely near it. It is an ellipse when the curvature is synclastic, and an hyperbola when the curvature is anticlastic.
By Noah Webster.
