adjective
- not lying on the same straight line
Usage: mathematics; geometry
Examples
- The three points are noncollinear, so they form a triangle.
- In geometry, noncollinear points cannot all lie on a single line.
- The vertices of the polygon are noncollinear by definition.
- To prove the points are noncollinear, show they don’t satisfy the same linear equation.
- Four noncollinear points can determine multiple triangles.
- The theorem requires that the given points be noncollinear.