convex

IPA/ˈkɒnveks/
KK[kˈɑnvˌɛks]IPA/ˈkɑːnveks/

convex — 形容詞

  • convexpositive
  • more convexcomparative
  • most convexsuperlative

1. having a surface or edge that bends outward rather than inward

1.形容詞C1
釋義

外凸的

表面或邊緣向外鼓起

having a surface or edge that bends outward rather than inward

例句

The old bus mirror was convex, so drivers could see more road.

那面舊公車後視鏡是外凸的，所以駕駛能看到更多路面。

convex mirror for a wider field of view

A convex shield pushed rain away from the window above the door.

那個外凸的遮板把雨水擋離門上方的窗戶。

常見搭配
  • convex lens
  • convex mirror
  • convex surface
  • convex curve
同義詞
  • bulging

    suggests a more obvious outward swelling than the neutral 'convex'

  • bowed

    often used for a broader surface that curves outward across an area

反義詞
  • concave

    the exact opposite shape, curving inward

  • flat

    describes a surface with no outward curve

用法筆記

Often used for lenses, mirrors, and other surfaces in geometry or design. The opposite shape is concave, which bends inward instead of outward.

常見錯誤

The spoon curves inward, so it is convex.
The spoon curves inward, so it is concave.
'convex' describes a surface that bends outward; inward curves are 'concave'.

同根字

  • convexity
    名詞C2

常見搭配

名詞搭配

  • convex lens
  • convex mirror
  • convex surface
  • convex curve

副詞搭配

  • slightly convex
  • gently convex
  • distinctly convex

常用片語

  • convex on one side
  • a convex edge