planar

IPA/ˈpleɪnə(r)/
KK[plˈenɚ]IPA/ˈpleɪnər/

planar — adjective

  • planarpositive
  • more planarcomparative
  • most planarsuperlative

1. formed as a flat shape, or arranged so that all parts lie on one plane instead o

1.形容詞C2
釋義

formed as a flat shape, or arranged so that all parts lie on one plane instead of extending outward.

例句

Minh checked that the metal frame stayed planar after welding.

technical use for a surface that must stay flat

The teacher used a planar map to explain the subway route.

planar + noun in a flat representation

同義詞
  • flat

    everyday word that does not sound as technical

  • level

    stresses even height more than geometric shape

  • two-dimensional

    used especially for pictures, screens, and shapes without depth

反義詞

文法句型

planar + noun

stay planar

用法筆記

Mostly used in maths, design, and engineering rather than everyday conversation. It often describes something that must stay flat or must lie within one geometric plane.

常見錯誤

❌The ball is planar because it is smooth.
✅The drawing of the ball is planar.
💡smooth only describes the feel of a surface; planar means flat or lying in one plane.