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cavity

 - 5 dictionary results

cav⋅i⋅ty

  [kav-i-tee]
Use cavity in a Sentence
–noun, plural -ties.
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:
1535–45; < MF cavite < LL cavitās hollowness, equiv. to L cav(us) hollow + -itās -ity

Related forms:
cav⋅i⋅tied, adjective

Synonyms:
1. See hole.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To cavity
cav·i·ty   (kāv'ĭ-tē)   
n.   pl. cav·i·ties

  1. A hollow; a hole.

  2. A hollow area within the body: a sinus cavity.

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


[French cavité, from Late Latin cavitās, from Latin cavus, hollow; see keuə- in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

cavity 
1541, from M.Fr. cavité, from L.L. cavitas "hollowness," from L. cavus "hollow" (see cave).
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: cav·i·ty
Pronunciation: 'kav-&t-E
Function: noun
Inflected Form: plural -ties
1 : an unfilled spacewithin a mass —see PELVIC CAVITY
2 : an area of decay in a tooth : CARIES
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

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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