darkening

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English[edit]

Verb[edit]

darkening

  1. Present participle of darken.

Noun[edit]

darkening (plural darkenings)

  1. The act of something becoming darker.
    • 1978, Gerald Leonard Howett, ‎Kenneth Low Kelly, ‎E. Thomas Pierce, Emergency vehicle warning lights: state of the art
      NEGATIVE FLASHES — Brief darkenings of a light that is otherwise steadily on.

Anagrams[edit]