A surface on which the Gaussian curvature is everywhere positive. When is everywhere negative, a surface is called anticlastic. A point at which the Gaussian curvature is positive is called an elliptic point.

# Synclastic

## See also

Anticlastic, Elliptic Point, Gaussian Quadrature, Hyperbolic Point, Parabolic Point, Planar Point## Explore with Wolfram|Alpha

## Cite this as:

Weisstein, Eric W. "Synclastic." From
*MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/Synclastic.html