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.
References in periodicals archive ?
In the past, sinkholes were not eligible projects for federal pre-disaster mitigation grant funding through the Federal Emergency Management Agency (FEMA).
Orlando Sentinel quoted Orange County sinkhole consultant and engineer Devo Seereeram saying the area where the Millers lived was prone to sinkholes because the limestone in the bedrock was especially porous and cavernous.
In politics or wherever, just one inappropriate remark is all it takes to land you in a disapprobation sinkhole.
All in all, it's best for homeowners to examine their insurance policy to see if they're covered for sinkholes automatically or if they need add the extra coverage -- because freak accidents do happen.
Months later, sinkholes forced the evacuation of two homes on nearby Van Dunk Lane.
RUMOURS of a sinkhole in Blaydon were sparked by emergency electrical repairs after workmen dug a hole overnight.
This isn't the first time that sinkholes have made the headlines in Florida.
A recent study by two Southern Methodist University geophysicists has thrust the sinkholes back into conversations here and across the wider realm of social media.
Roads built on a bedrock of limestone or gypsum are susceptible to sinkholes because both materials are water soluble - meaning they can be dissolved.
THERE were reports of a large sinkhole opening up in the middle of a Conwy road after a water pipe burst yesterday.
Sinkholes in this chalk formation are not uncommon.