anticlastic

[ an-tee-klas-tik, an-tahy- ]

adjective

, Mathematics.

1. (of a surface) having principal curvatures of opposite sign at a given point.

anticlastic

/ ˌæntɪˈklæstɪk /

adjective

1. maths (of a surface) having a curvature, at a given point and in a particular direction, that is of the opposite sign to the curvature at that point in a perpendicular direction Compare synclastic

Word History and Origins

Origin of anticlastic¹

First recorded in 1865–70; anti- + clastic