sinkhole

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sinkhole

a depression in the ground in which water collects and disappears below the surface, e.g. in limestone areas where a cave roof has collapsed.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Sinkholes, sharp bends and asphalt deterioration are some of the impact's highlights, in addition to flying gravel that caused major damages to cars in most residential areas and highways.
Sinkholes, meanwhile, can appear for a variety of reasons, including erosion or changes in underground water.
The Chinese news outlet also posted a video which showed the exact moment the sinkhole opened up and caused the four people to fall in it.
The sinkholes have sent giant gashes across the land, splintering the wall of a local community centre and right through the pitch of Mageracloone GAA club.
WHAT happened near the General Post Office in Lahore is in engineering terminology called sinkhole. This is usually caused by human activities.
The source added that the Wasa and LDA officials quickly responded to various complaints about sinkholes on Hali Road, a road near Ichhra and other parts of the city.
Sinkholes also form due to man-made activity such as excessive pumping of groundwater or the creation of storage ponds for runoff or industrial waste which add more weight on the soil.
A SPECTACULAR sinkhole the length of two football fields and the depth of a six-storey building has opened up on a New Zealand farm.
Speleogenesis.--The Castile outcrop area of the western Delaware Basin in Eddy Co., NM and Culberson Co., TX is dominated by surficial karren, sinkholes and associated caves.