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  1. earth·quake
    IPA[ˈərTHˌkwāk]
  2. n. noun

    • 1. a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.

      Synonym : earth tremor, tremor, shock, foreshock, aftershock, convulsion, seismic activity, quake
    • 2. a great upheaval:

      a political earthquake
  3. Variation

    • n.: noun: earthquake, plural noun: earthquakes

    • noun

      a sudden violent shaking of the ground, typically causing great destruction, as a result of movements within the earth's crust or volcanic action.

      a great upheaval:

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