Normal Section
Let 
be a Regular Surface and 
a unit Tangent Vector to 
, andlet 
be the Plane determined by and the normal tothe surface 
. Then the normal section of is defined as theintersection of and .
References
Gray, A. Modern Differential Geometry of Curves and Surfaces. Boca Raton, FL: CRC Press, p. 271, 1993.
- Standard Error
- Standardized Moment
- Standardized Score
- Standard Map
- Standard Normal Distribution
- Standard Space
- Standard Tori
- Stanley's Theorem
- Star
- Star Figure
- Star (Fixed Point)
- Star Fractal
- Star Graph
- Star Number
- Star of David
- Star of Goliath
- Star of Lakshmi
- Star Polygon
- Star Polyhedron
- Starr Rose
- State Space
- Stationary Point
- Stationary Tangent
- Stationary Value
- Statistic