convex

/ˈkɒnveks/ (bre, ipa) · /ˈkɑːnveks/ (ame, ipa) · /kän-ˈveks ˈkän-ˌveks kən-ˈveks/ (ame, mw)

convex — adjective

  • convexpositive
  • more convexcomparative
  • most convexsuperlative

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

1.形容詞C1
釋義

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.

convex mirror for a wider field of view

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

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'.