noun
1. : a plane bisecting a system of parallel chords of a quadric surface ; specifically : any plane through the center of a sphere
2. of a linear complex : a plane conjugate to a point at infinity
noun
1. : a plane bisecting a system of parallel chords of a quadric surface ; specifically : any plane through the center of a sphere
2. of a linear complex : a plane conjugate to a point at infinity
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012