lightening

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English[edit]

Verb[edit]

lightening

  1. Present participle of lighten.

Noun[edit]

lightening (plural lightenings)

  1. (medicine) The sensation caused by the descent of the uterus into the pelvic cavity before the onset of labour
  2. (nautical) The removal of cargo (especially crude oil) from a vessel in order to reduce its draft
  3. Misspelling of lightning.