planar
adj.adj. flat or relating to a flat surface. You use this to describe things that are two-dimensional, like a drawing on a piece of paper.
adj. relating to, lying in, or forming a flat surface. Often used in geometry and engineering to describe two-dimensional structures or arrangements.
The artist uses a planar style for the background.
The architect designed a series of planar surfaces that intersect to form the building's unique roof.
In computer graphics, complex three-dimensional objects are often broken down into thousands of small planar polygons to be rendered efficiently by the hardware.
From Late Latin plānārius (“relating to a plane”), derived from Latin plānus (“flat”, “level”), equivalent to plane + -ar, ultimately from Proto-Indo-European *pleh₂- (“flat”).
Typically used in technical, mathematical, or artistic contexts to describe flat geometry.