anticlastic

[ an-tee-klas-tik, an-tahy- ]
/ ˌæn tiˈklæs tɪk, ˌæn taɪ- /

adjective Mathematics.

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

Origin of anticlastic

First recorded in 1865–70; anti- + clastic

British Dictionary definitions for anticlastic

anticlastic
/ (ˌæntɪˈklæstɪk) /

adjective

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