cavity

noun

cav·​i·​ty ˈka-və-tē How to pronounce cavity (audio)
plural cavities
1
: an unfilled space within a mass
especially : a hollowed-out space
2
: an area of decay in a tooth : caries

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 Research shows that carbonated water stimulates the oral cavity, which can improve your overall swallow function.4 One study asked 16 participants to swallow various liquids, including carbonated, citric acid, and still water, examining the differences in their swallows. Chelsea Rae Bourgeois, Rdn, Ld, Health, 1 July 2024 Baseline estimates presented at a conference last month blame alcohol for over a third of esophageal cancers (mostly squamous cell carcinoma) and oral cavity and pharynx cancers, and a quarter of liver cancer cases. Isabella Cueto and J. Emory Parker, STAT, 27 June 2024 The spray and mouthwash are marketed as promoting oral health and preventing cavities and gum disease. Brianna Taylor, Sacramento Bee, 18 June 2024 Some, still in the process of formation, draw material in, while more mature stars can grow massive and become so fiercely bright that their light dissolves the material around them, creating huge cavities. Phil Plait, Scientific American, 14 June 2024 See all Example Sentences for cavity 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cavity.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

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

First Known Use

1541, in the meaning defined at sense 1

Time Traveler
The first known use of cavity was in 1541

Dictionary Entries Near cavity

Cite this Entry

“Cavity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cavity. Accessed 14 Jul. 2024.

Kids Definition

cavity

noun
cav·​i·​ty ˈkav-ət-ē How to pronounce cavity (audio)
plural cavities
1
: a hollow place
especially : an unfilled bodily space
lung cavity
2
: a hole hollowed out in a tooth by decay

Medical Definition

cavity

noun
cav·​i·​ty ˈkav-ət-ē How to pronounce cavity (audio)
plural cavities
1
: an unfilled space within a mass
2
: an area of decay in a tooth : caries

More from Merriam-Webster on cavity

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