Definition:Diameter


 * Geometry:
 * Diameter of a Conic Section:
 * Diameter of a Central Conic:
 * Diameter of a Circle
 * Diameter of an Ellipse
 * Diameter of a Hyperbola
 * Diameter of a Parabola
 * Diameter of a Sphere
 * Diameter of a Parallelogram
 * Diameter of a general Geometric Figure


 * Topology:
 * Diameter of Subset of Metric Space


 * Graph Theory:
 * Diameter of Graph

Also see

 * Definition:Radius
 * Definition:Circumference