cataclysm [kat-uh-kliz-uh m]
1. any violent upheaval, especially one of a social or political nature.
2. Physical Geography. a sudden and violent physical action producing changes in the earth's surface.
3. an extensive flood; deluge.
Can be confused
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1. See disaster.
Origin: 1625-35; < Late Latin cataclysmos (Vulgate) < Greek kataklysmós flood (akin to kataklýzein to flood), equivalent to kata- cata- + klysmós a washing
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