hyperbolic point[¦hī·pər¦bäl·ik ′pȯint]
A singular point in a streamline field which constitutes the intersection of a convergence line and a divergence line; it is analogous to a col in the field of a single-valued scalar quantity. Also known as neutral point.
A point on a surface where the Gaussian curvature is strictly negative.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.