AskDefine | Define planar

Dictionary Definition

planar adj : involving two dimensions [syn: two-dimensional] [ant: cubic, linear]

User Contributed Dictionary




  1. of, or pertaining to, a plane
  2. flat, two-dimensional
  3. of a graph, able to be embedded in the plane with no edges intersecting
    A complete graph with more than four nodes is never planar.

Related terms

Extensive Definition

Planar can refer to:
  • Planar (computer graphics), computer graphics pixel information from several bitplanes
  • Planar graph, graph that can be drawn so that no edges intersect (or that can be embedded) in the plane
  • Plane (mathematics), a name for something made up of flat planes or pertaining to planes
  • Planar Systems, U.S. digital display manufacturing corporation based in Hillsboro, Oregon
  • Zeiss Planar, photographic lens designed by Paul Rudolph at Carl Zeiss in 1896
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