center of principal curvature

center of principal curvature

[′sen·tər əv ′prin·sə·pəl ‚kər·və·chər]
(mathematics)
For a given point on a surface, the center of normal curvature at the point in one of the two principal directions.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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