Umbra

ENZH

What Does Umbra Mean?

  • 阴影
  • 影子

Umbra Pronunciation

/ˈʌm.brə/

Umbra Definition

noun

Definition

The fully shaded inner region of a shadow cast by an opaque object.

In ZH

由不透明物体投射的阴影内部的完全阴影区域。

How to Use Umbra in a Sentence

  • The umbra of the Earth causes a total solar eclipse.
  • During the eclipse, the moon's umbra traveled across the Earth.
  • In photography, understanding umbra can enhance shadow effects.
  • The umbra was clearly visible against the bright backdrop of the stars.
  • The concept of umbra is crucial in understanding light and shadows.