a) curved in opposite ways in two directions; saddle-shaped
b) of a surface whose Gaussian curvature is negative at all points

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  • Anticlastic — An ti*clas tic, a. [Pref. anti = Gr. ? to break.] Having to opposite curvatures, that is, curved longitudinally in one direction and transversely in the opposite direction, as the surface of a saddle. [1913 Webster] …   The Collaborative International Dictionary of English

  • anticlastic — /an tee klas tik, an tuy /, adj. Math. (of a surface) having principal curvatures of opposite sign at a given point. Cf. synclastic. [1865 70; ANTI + CLASTIC] * * * …   Universalium

  • anticlastic — an·ti·clas·tic …   English syllables

  • anticlastic — /æntiˈklæstɪk/ (say antee klastik) adjective Mathematics (of a surface) having principal curvatures of opposite sign at a given point (opposed to synclastic) …  

  • anticlastic —   a. having transverse and opposite curvatures of surface …   Dictionary of difficult words

  • anticlastic — | ̷ ̷(ˌ) ̷ ̷ at anti I+|klastik adjective Etymology: anti (I) + Greek klastos (from klan to break) + English ic : having opposite curvatures at a given point; specifically …   Useful english dictionary

  • 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

  • Synclastic — Syn*clas tic, a. [Pref. syn + Gr. kla^n to break.] (Math. Physics) Curved toward the same side in all directions; said of surfaces which in all directions around any point bend away from a tangent plane toward the same side, as the surface of a… …   The Collaborative International Dictionary of English

  • Tensile structure — A tensile structure is a construction of elements carrying only tension and no compression or bending. The term tensile should not be confused with tensegrity, which is a structural form with both tension and compression elements.Most tensile… …   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

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