Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of, relating to, or situated in a plane.
  • adjective Flat.
  • adjective Having a two-dimensional characteristic.

from The Century Dictionary.

  • Lying in a plane; planary; flat.
  • Of or pertaining to a plane.
  • noun See anastigmat.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Of or pertaining to a plane.
  • adjective Flat, two-dimensional.
  • adjective graph theory Able to be embedded in the plane with no edges intersecting.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective involving two dimensions

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Late Latin plānāris, flat, from Latin plānus; see plain.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Late Latin planarius ("relating to a plane"), from planum ("plane").

Examples

  • Contrary to earlier claims, we find that the amount of power concentrated in planar modes for $\ell = 2,3$ is not inconsistent with isotropy and Gaussianity.

    Science Press Release Synopses

  • The construction shows that the wavefronts remain planar.

    Optics basics: What is a wave? Part III: Diffraction « Skulls in the Stars

  • Wikipedia suggests: "Something is called planar if it is made up of flat planes, or pertaining to planes."

    HH Com 221 (217)

  • One of them was something called a planar transistor, created by Jean Hoerni,

    The Accidental Entrepreneur

  • The joint venture used a new cell structure called a planar cell that enabled more aggressive cell scaling than conventional architectures.

    Forbes.com: News

  • In doing so, they found that the Dishevelled genes activate a genetic pathway, called the planar cell polarity pathway, which helps determine positional information in cells and tissues.

    Medlogs - Recent stories

  • In doing so, they found that the Dishevelled genes activate a genetic pathway, called the planar cell polarity pathway, which helps determine positional information in cells and tissues.

    EurekAlert! - Breaking News

  • In doing so, they found that the Dishevelled genes activate a genetic pathway, called the planar cell polarity pathway, which helps determine positional information in cells and tissues.

    innovations-report

  • Advances in Planar Lipid Bilayers and Liposomes, Volume 8, continues to include invited chapters on a broad range of topics, covering both main arrangements of the reconstituted system, namely planar lipid bilayers and spherical liposomes.

    AvaxHome RSS:

  • Advances in Planar Lipid Bilayers and Liposomes, Volume 7, continues to include invited chapters on a broad range of topics, covering both main arrangements of the reconstituted system, namely planar lipid bilayers and spherical liposomes.

    AvaxHome RSS:

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