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planar

adj
/ˈpleɪnɚ/US/ˈpleɪnə/UK

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”).

  1. derived from *pleh₂-✻
  2. derived from plānus — “flat”, “level”
  3. borrowed from plānārius

Definitions

  1. Of or pertaining to a plane.

    • A planar projection of a three-dimensional object is its projection onto a plane.

  2. Flat, two-dimensional.

  3. Able to be embedded in the plane with no edges intersecting.

    • A complete graph with more than four nodes is never planar.
  4. ›+ 1 more definition

    1. Having a flat profile, not etched into a mesa.

The neighborhood

Derived

antiplanar, biplanar, complanar, coplanar, curviplanar, diplanar, echoplanar, equiplanar, exoplanar, extraplanar, halfplanar, hyperplanar, interplanar, intraplanar, microplanar, monoplanar, multiplanar, nonplanar, outerplanar, periplanar, plabic, planar defect, planar graph, planar induction, planarisation, planarity, planarization, planarize, planarly, quadriplanar, quasiplanar, synplanar, triplanar, uniplanar

Vish — recursive loop

A definitional loop anchored at planar. Each word in the ring is defined by the next; follow the chain far enough and it folds back on itself. Scroll to it and watch.

01planar02plane03directions04reach05limb06tip07bow

A definitional loop anchored at planar. Each word in the ring appears in the definition of the next; follow the chain far enough and it folds back on itself.

7 hops · closes at planar

curated · pre-corpus. live cycle detection across the full graph is the next major milestone.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA