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lightning

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noun [uncountable] lightning pronunciation in British English /ˈlaɪtnɪŋ/
  1. the bright flashes of light that you see in the sky during a storm

    She lay awake, listening to the thunder and lightning.

    a flash of lightning:

    A flash of lightning lit up the sky.

    be struck by lightning (=be hit by lightning):

    Bob was struck by lightning while playing golf.

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