1. the quality or state of lying in the same plane; the geometric property of points, lines, or objects that are coplanar.
Usage: technical; mathematics and geometry

Examples

• The coplanarity of the four points was verified by checking that they all satisfied the same linear equation.
• In computer graphics, coplanarity is important for rendering flat surfaces correctly.
• The engineer tested the coplanarity of the metal plate to ensure it met manufacturing standards.
• Three vectors can be checked for coplanarity by computing their scalar triple product.
• The coplanarity condition requires that all vertices of the polygon lie on a single plane.