Definition of Sinkhole

1. Noun. A depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof.

Exact synonyms: Sink, Swallow Hole
Generic synonyms: Depression, Natural Depression

Definition of Sinkhole

1. Noun. (context: geology) A hole formed in soluble rock by the action of water, serving to conduct surface water to an underground passage ¹

2. Noun. A depressed area in which waste or drainage collects. ¹

3. Noun. (context: pinball) A hole in the playfield that rewards the player when the ball is guided into it. ¹

¹ Source: wiktionary.com

Definition of Sinkhole

1. a natural depression in a land surface [n -S]

Lexicographical Neighbors of Sinkhole

sink or swim
sinkable
sinkage
sinkages
sinkankasite
sinked
sinker
sinker nail
sinker nails
sinkerball
sinkerballer
sinkerballers
sinkerballing
sinkers
sinkhole (current term)
sinkholes
sinkier
sinkiest
sinking
sinking feeling
sinking fund
sinking ship
sinking spell
sinkings
sinkless
sinklike
sinks
sinkt
sinkward

Literary usage of Sinkhole

Below you will find example usage of this term as found in modern and/or classical literature:

1. A History of Missouri from the Earliest Explorations and Settlements Until by Louis Houck (1908)
"... White Men Ambushed and Tomahawked — Black Hawk and Band Surrounded in the "sinkhole"— Account of the Battle of the Sink-hole — Death of Captain Craig, ..."

2. Governors Messages and Letters by Indiana Governor (1922)
"... thence by a direct line to the sinkhole Springs, thence by a line north sixty degrees East until it intersects a north line running from the great Cave ..."

3. Freshwater Supply: States’ Views of How Federal Agencies Could Help Them by Barry T. Hill (2006)
"Figure 18: sinkhole in West-Central Florida Caused by Development of a New ... A person (near the white arrow) stands next to this sinkhole to give an idea ..."

4. Permafrost: Second International Conference, July 13-28, 1973 : USSR by Frederick J. Sanger, Peter J. Hyde (1978)
"... IV—region of ancient lacustrine terraces characterized by a hummocky-sinkhole type of microrelief combined with block and hummocky forms. ..."

5. Report by Pennsylvania Dept. of Health, Panama Canal (Panama), Health Dept (1914)
"At the time it was proposed to discharge the college sewer line contents into the sinkhole above mentioned, experts of the college emptied about ten barrels ..."

6. Hold Your Ground: A Practical Guide for Protecting Your Natural ResourcesNature (1993)
"Changes in the volume and emical properties of water entering a sinkhole or lution cavity can greatly accelerate the problem, erations in surface material ..."

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