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Meaning of sinkhole

sink•hole

Pronunciation: (singk'hōl"), [key]
— n.
  1. a hole formed in soluble rock by the action of water, serving to conduct surface water to an underground passage.
  2. Also calleda depressed area in which waste or drainage collects.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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