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cavity

[kav-i-tee] /ˈkæv ɪ ti/
noun, plural cavities.
1.
any hollow place; hollow.
2.
Anatomy. a hollow space within the body, an organ, a bone, etc.
3.
a hollow space or a pit in a tooth, most commonly produced by caries. A cavity may be artificially made to support dental restorations.
Origin
1535-1545
1535-45; < Middle French cavite < Late Latin cavitās hollowness, equivalent to Latin cav(us) hollow + -itās -ity
Related forms
cavitied, adjective
subcavity, noun, plural subcavities.
uncavitied, adjective
Synonyms
1. See hole.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for cavities
  • Their abandoned nest cavities provide homes for other birds, small mammals, and other animals.
  • The natron, which was also put in packets and stuffed into the body cavities, dehydrated the body.
  • Hair follicles-skin cavities where individual hairs sit-are tiny organs that are able to regenerate themselves.
  • It aggressively defends nest cavities, possibly to the detriment of native species.
  • cavities in the roof of the fish's mouth sheath these natural daggers when they're not embedded in prey.
  • Located in our cheekbones, the maxillary are the largest of four pairs of sinus cavities in the human head.
  • The group has a regional map showing ground hornbill nesting sites, which are usually in cavities in big trees.
  • We experience discomfort and pain only when they are inadvertently exposed, through cavities, for example.
  • Some bees build nests in tree hollows or other preexisting cavities.
  • The resulting cavities will be filled with silicone.
British Dictionary definitions for cavities

cavity

/ˈkævɪtɪ/
noun (pl) -ties
1.
a hollow space; hole
2.
(dentistry) a soft decayed area on a tooth See caries
3.
any empty or hollow space within the body: the oral cavity
4.
(electronics) See cavity resonator
Word Origin
C16: from French cavité, from Late Latin cavitās, from Latin cavus hollow
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for cavities

cavity

n.

1540s, from Middle French cavité (13c.), from Late Latin cavitatem (nominative cavitas) "hollowness," from Latin cavus "hollow" (see cave (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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cavities in Medicine

cavity cav·i·ty (kāv'ĭ-tē)
n.

  1. A hollow area within the body, such as a sinus cavity.

  2. A pitted area in a tooth caused by caries.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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cavities in Science
cavity
  (kāv'ĭ-tē)   
  1. A hollow; a hole.

  2. A hollow area within the body.

  3. A pitted area in a tooth caused by caries.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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