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sinkhole


sink·hole

noun \ˈsiŋk-ˌhōl\

Definition of SINKHOLE

1
: a hollow place or depression in which drainage collects
2
: a hollow in a limestone region that communicates with a cavern or passage
3
: sink 2
4
: something (as an unprofitable investment) that steadily drains money or resources <a financial sinkhole>

First Known Use of SINKHOLE

15th century

Other Geology Terms

anthracite, boulder, cwm, erratic, igneous, intrusive, mesa, sedimentary, silt, swale

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