radius of total curvature

radius of total curvature

[¦rād·ē·əs əv ¦tōd·əl ′kər·və·chər]
(mathematics)
The quantity √(-1/ C), where C is the total curvature of a surface at a point.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.