crepuscular ray

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English[edit]

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Etymology[edit]

From the Latin crepusculum (twilight).

Noun[edit]

crepuscular ray (plural crepuscular rays)

  1. A sunbeam seen just after sunset or just before sunrise, caused by a cloud below the horizon and dust particles in the air above the horizon.
  2. A cloud shadow cast on the bright sky.

Translations[edit]