planar
UK /ˈpleɪnə/ · US /ˈpleɪnɚ/ adjective
- adjective Of or pertaining to a plane. “A planar projection of a three-dimensional object is its projection onto a plane.”
- adjective Flat, two-dimensional.
- adjective (graph theory, 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.”
- adjective (transistor chip, semiconductor devices) Having a flat profile, not etched into a mesa.
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Antonyms
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”).
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “planar”, CC BY-SA 4.0. Details