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  1. Dictionary
    sinkhole
    /ˈsɪŋkhəʊl/

    noun

    • 1. a cavity in the ground, especially in a limestone formation, caused by water erosion and providing a route for surface water to disappear underground.

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  3. en.wikipedia.org › wiki › SinkholeSinkhole - Wikipedia

    A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. Learn about the natural and artificial processes that create sinkholes, the different types of sinkholes, and some famous examples of sinkholes around the world.

  4. www.usgs.gov › faqs › what-a-sinkholeWhat is a sinkhole? | U.S. Geological Survey - USGS.gov

    A sinkhole is a depression in the ground with no external drainage, often caused by dissolution of soluble rocks. Learn more about sinkhole formation, types, and effects from the USGS Water Science School.

  5. www.nationalgeographic.org › encyclopedia › sinkholeSinkhole - National Geographic Society

    Jul 3, 2024 · A sinkhole is a hole in the ground that forms when water dissolves surface rock, especially limestone. Learn about the types, causes, and effects of sinkholes, and see photos of natural and human-made examples.

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  7. dictionary.cambridge.org › dictionary › englishSINKHOLE | English meaning - Cambridge Dictionary

    SINKHOLE definition: 1. a hole in the ground, especially in an area of limestone rock, that has been formed naturally…. Learn more.

  8. theconversation.com › what-is-a-sinkhole-aWhat is a sinkhole? A geotechnical engineer explains

    Apr 8, 2024 · A sinkhole is basically a hole which appears to suddenly open up in the ground. However, the process that leads to a sinkhole is not so sudden and may have been developing...

  9. www.vedantu.com › geography › sinkholeSinkhole - Meaning, Formation, Examples and FAQs - Vedantu

    5 days ago · Sinkholes are pits in the ground that develop in regions where water collects without external drainage. Sinkholes mainly take place as water drains underneath the ground.

  10. www.usgs.gov › science › sinkholesSinkholes | U.S. Geological Survey - USGS.gov

    Jun 9, 2018 · A sinkhole is an area of ground with no natural external drainage, often formed by dissolution or collapse of soluble rocks. Learn about different types of sinkholes, how they affect the land surface and groundwater, and how human activities can induce or worsen them.