Planar
# Planar

Planar is an adjective meaning "relating to a plane (geometry)".

Planar may also refer to:

## Science and technology

* Planar (computer graphics), computer graphics pixel information from several bitplanes
* Planar (transmission line technologies), transmission lines with flat conductors
* Planar, the structure resulting from the planar process used in the manufacture of semiconductor devices, such as planar transistors
* Planar graph, graph that can be drawn in the plane so that no edges cross
* Planar mechanism, a system of parts whose motion is constrained to a two-dimensional plane
* Planar Systems, an Oregon-headquartered manufacturer of digital displays
* Zeiss Planar, photographic lens designed by Paul Rudolph at Carl Zeiss in 1896
