cavity

noun
cav·​i·​ty | \ ˈka-və-tē How to pronounce cavity (audio) \
plural cavities

Definition of cavity

1 : an unfilled space within a mass especially : a hollowed-out space
2 : an area of decay in a tooth : caries

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Examples of cavity in a Sentence

Some birds nest in tree cavities. I had two cavities filled at the dentist's.
Recent Examples on the Web The drive is based on the ideas that resonating microwaves inside an asymmetric cavity will generate more force on one end that the other. David Hambling, Forbes, "Inventor Warned That Latest Test Of ‘Impossible’ Space Drive Was Fatally Flawed," 9 Apr. 2021 Regular dental visits will help identify any oral cavity cancers early. Dr. Keith Roach, oregonlive, "Dear Doctor: How bad is the cancer risk from my heavy drinking?," 7 Apr. 2021 The report said nearly two liters of blood was found in Hill's abdominal cavity and pelvic region during the autopsy. Bethany Bruner, USA TODAY, "Autopsy shows Andre Hill, an unarmed Black man, was fatally shot 4 times by former Columbus police officer," 27 Mar. 2021 To clean the dryer completely, remove the screws that hold the outer housing in place on the back of the appliance, open and vacuum out the entire inside cavity. Jeff Harper, chicagotribune.com, "Creative things you can do with a vacuum," 6 Mar. 2021 Several cancers, including breast, ovarian, fallopian tube, peritoneal (abdominal cavity), prostate, and pancreatic, have been linked to harmful BRCA gene mutations. Korin Miller, Good Housekeeping, "What You Should Know About Your BRCA Status And Ovarian Cancer Risk," 9 Feb. 2021 Those with olfactory phantoms can sometimes find a few hours’ relief by dripping saline into their noses to clog the upper part of the nasal cavity. Kate Baggaley, Popular Science, "This strange condition could explain why your tongue feels weird," 5 Mar. 2021 Even with a foreign object swirling halfway up his nasal cavity, cameras and questions hovered around him like mosquitoes in June. Zachariah Hughes, Anchorage Daily News, "As the leader of the pack in McGrath, Seavey draws a lot of attention — but his focus stays on his dogs," 10 Mar. 2021 The first inserted a tube to drain air from his chest cavity and allow his lung to reinflate. Matt Kawahara, San Francisco Chronicle, "A's Sean Murphy works toward return after surgery for collapsed lung," 24 Feb. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cavity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of cavity

1541, in the meaning defined at sense 1

History and Etymology for cavity

borrowed from Middle French & Late Latin; Middle French cavité, borrowed from Late Latin cavitāt-, cavitās, from Latin cavus "hollow, concave" + -itāt-, -itās -ity — more at hole entry 1

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Statistics for cavity

Last Updated

12 Apr 2021

Cite this Entry

“Cavity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cavity. Accessed 18 May. 2021.

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More Definitions for cavity

cavity

noun

English Language Learners Definition of cavity

: a hole or space inside something
: a hole formed in a tooth by decay

cavity

noun
cav·​i·​ty | \ ˈka-və-tē How to pronounce cavity (audio) \
plural cavities

Kids Definition of cavity

1 : a small hole formed in a tooth by decay
2 : a hollow place The explosion left a cavity in the ground.

cavity

noun
cav·​i·​ty | \ ˈkav-ət-ē How to pronounce cavity (audio) \
plural cavities

Medical Definition of cavity

1 : an unfilled space within a mass
2 : an area of decay in a tooth : caries

Comments on cavity

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