As an adjective planar
is of or pertaining to a plane.
As a noun plana is
flat surface, plane.
Other Comparisons: What's the difference?
Of or pertaining to a plane.
(graph theory, of a graph) Able to be embedded in the plane with no edges intersecting.
- A planar projection of a three-dimensional object is its projection onto a plane.
(transistor chip, semiconductor devices) Having a flat profile, not etched into a mesa.
- A complete graph with more than four nodes is never planar .