sinkhole
noun Date: 15th century 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
>

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • sinkhole — also sink hole, as a geological phenomenon, hole made in the earth by underground erosion, 1780, from SINK (Cf. sink) (v.) + HOLE (Cf. hole) …   Etymology dictionary

  • sinkhole — ► NOUN ▪ a cavity in the ground caused by water erosion and providing a route for surface water to disappear underground …   English terms dictionary

  • sinkhole — [siŋk′hōl΄] n. 1. CESSPOOL ☆ 2. a saucer shaped surface depression produced when underlying material, such as limestone or salt, dissolves or when caves, mines, etc. collapse …   English World dictionary

  • Sinkhole — For the War of 1812 battle, see Battle of the Sink Hole. For the type of wallet, see Wallet band#Swallet. A sink hole in Oman …   Wikipedia

  • sinkhole — /singk hohl /, n. 1. a hole formed in soluble rock by the action of water, serving to conduct surface water to an underground passage. 2. Also called sink. a depressed area in which waste or drainage collects. [1425 75; late ME; see SINK, HOLE] * …   Universalium

  • sinkhole —    A closed, circular or elliptical depression, commonly funnel shaped, characterized by subsurface drainage and formed either by dissolution of the surface of underlying bedrock (e.g., limestone, gypsum, salt) (solution sinkhole) or by collapse… …   Glossary of landform and geologic terms

  • sinkhole — UK [ˈsɪŋkˌhəʊl] / US [ˈsɪŋkˌhoʊl] noun [countable] Word forms sinkhole : singular sinkhole plural sinkholes a circular hole in the ground, formed when a rock such as limestone is gradually damaged by water and begins to disappear …   English dictionary

  • sinkhole — noun a) A hole formed in soluble rock by the action of water, serving to conduct surface water to an underground passage b) A depressed area in which waste or drainage collects …   Wiktionary

  • sinkhole —   see swallow hole …   Geography glossary

  • sinkhole —    See sink …   Lexicon of Cave and Karst Terminology

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