V2EX convex

Convex

释义 Definition

convex(形容词)凸的;凸面(曲线/曲面向外鼓起)的。常用于几何、光学与日常描述(如“凸透镜”)。另有名词用法较少见。

发音 Pronunciation

/kn.veks/(英)
/kn.veks/(美)

例句 Examples

A convex mirror makes objects look smaller.
凸面镜会让物体看起来更小。

The architect chose a convex roof design to improve drainage and create a striking silhouette.
建筑师选择了凸形屋顶设计,以改善排水并形成醒目的轮廓。

词源 Etymology

来自拉丁语 convexus,意为“拱起的、隆起的”,由 **con-**(共同、向一起)+ vexus/vehere(承载、运输,引申为“被托起”)相关词根构成,逐渐固定为“向外凸起”的几何含义。

相关词 Related Words

文学与经典作品 Literary Works

  • Euclid, Elements(《几何原本》):讨论几何图形与曲线性质时常涉及“凸/凹”的概念(英文译本中常见 convex 用于表述凸形/凸角等)。
  • Hermann von Helmholtz, Handbook of Physiological Optics(《生理光学手册》):在光学与成像描述中常出现 convex lens(凸透镜)等用法。
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