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 kayak was built on a double-hull design that creates a deep cavity in the center of the boat. Popular Science, "This motorized kayak can drive itself," 28 Aug. 2020 In the course of that discovery, Belzoni noticed another small hollow that easily absorbed rainwater, suggesting that a cavity lay beneath. National Geographic, "This pharaoh's painted tomb was missing its mummy," 25 June 2020 To dispense the proper amount of liquid, the measurements inspector would use their finger to plug a hole at the bottom of a cavity, then fill the stone tool with water. Theresa Machemer, Smithsonian Magazine, "2,000-Year-Old Measuring Table Points to Location of Ancient Jerusalem Market," 7 Jan. 2020 The swab is pushed to the very back of the nasal cavity to collect a sample for testing. Kristen Jordan Shamus, Detroit Free Press, "Not all coronavirus tests are the same: What to know about the different types," 28 Aug. 2020 Currently, nursing homes that test for the coronavirus have taken samples from deep inside a person's nasal cavity and sent them away to distant laboratories, which can take days to determine if someone is infected. Chris Serres, Star Tribune, "Hundreds of Minnesota nursing homes to receive rapid testing kits for coronavirus," 25 Aug. 2020 Lightly toast pita halves and spoon mixture into each pocket cavity. Luann Gibbs, The Enquirer, "The Veggie Option: This chicken-substitute salad is fit for a queen," 21 Aug. 2020 The cavity is paved with water-tight brickwork with steps that descend down to the basin’s floor. Lilah Ramzi, Vogue, "Bathhouse for One? I Tried New York’s Latest Private Spa Experience," 21 Aug. 2020 The kayak was built on a double-hull design that creates a deep cavity in the center of the boat. Nate Matthews, Outdoor Life, "Finally, a Fishing Kayak You Can Control While You’re Standing Up," 20 Aug. 2020

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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Time Traveler for cavity

Time Traveler

The first known use of cavity was in 1541

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Statistics for cavity

Last Updated

15 Sep 2020

Cite this Entry

“Cavity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cavity. Accessed 26 Sep. 2020.

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More Definitions for cavity

cavity

noun
How to pronounce cavity (audio)

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

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Comments on cavity

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