1. Cartesian of or relating to Rene Descartes or his works
  2. Cartesian coordinate one of the coordinates in a system of coordinates that locates a point on a plane or in space by its distance from two lines or three planes respectively; the two lines or the intersections of the three planes are the coordinate axes
  3. Cartesian coordinate system a coordinate system for which the coordinates of a point are its distances from a set perpendicular lines that intersect at the origin of the system
  4. Cartesian plane a plane in which all points can be described in Cartesian coordinates
  5. Cartesian product the set of elements common to two or more sets