incident

incident — adjective

1. describes a ray of light, a wave, or a moving object that meets or strikes a sur

1.形容詞C1
釋義

describes a ray of light, a wave, or a moving object that meets or strikes a surface.

例句

The incident light hits the water at an angle, and some of it bends downward.

collocation: incident light

Valentina measured the angle between the incident ray and the mirror in the lab.

collocation: incident ray

同義詞
  • incoming

    less precise, describes something moving toward a point rather than striking a surface

  • falling upon

    descriptive phrase, not a single-word synonym; more general

反義詞
  • reflected

    light that bounces off rather than striking the surface first

  • emitted

    light that leaves a source rather than arriving at a surface

文法句型

incident + noun

用法筆記

Always used before a noun (attributive). Most common in physics contexts with words like 'light', 'ray', 'wave', or 'beam'. Outside technical writing, this sense is very rare.

常見錯誤

The incident lightened the room.
The incident light entered the room through the window.
💡'Incident light' is a fixed technical term; do not separate 'incident' from the noun 'light'.

incident — noun