planar

Adjective

Pertaining to or lying within a single flat surface.
involving two dimensions

Adj

Of or pertaining to a plane.
Flat, two-dimensional.
Able to be embedded in the plane with no edges intersecting.
Having a flat profile, not etched into a mesa.

Examples

A complete graph with more than four nodes is never planar.
A planar projection of a three-dimensional object is its projection onto a plane.
The geometry of the Scrabble board is essentially PLANAR, but the strategy is anything but flat.

Origin / Etymology

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”).

Synonyms

two-dimensional

Antonyms

cubic, linear

Scrabble Score: 8

planar: valid Scrabble (US) TWL Word
planar: valid Scrabble Word in Merriam-Webster MW Dictionary
planar: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 11

planar: valid Words With Friends Word