synclastic


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synclastic

[sin′klas·tik]
(mathematics)
Property of a surface or portion of a surface for which the centers of curvature of the principal sections at each point lie on the same side of the surface.
References in periodicals archive ?
A surface on which the Gaussian curvature is everywhere positive (negative) is called synclastic (anticlastic).
The parallel surface S to a timelike (spacelike) non - developable surface surface S at distance [delta] = 1/2H, H a positive constant, is synclastic (respectively, anticlastic).