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

Having more abdominal fat surrounding your navel also helps to create a deeper cavity for lint build-up, Dr. Khetarpal adds. Carolyn L. Todd, SELF, "Excuse Me, What Even Is Belly Button Lint?," 1 Mar. 2019 But sometimes the stems fuse to look like one giant circular trunk, with a hollow cavity inside that can be used as a shelter, for grain storage, as a water reservoir, or even for a burial site. Diana Gitig, Ars Technica, "“Tree of life” facing an outbreak of deaths," 14 June 2018 These appointments will include both an exam of your oral health to check for cavities, gum disease, and any other red flags about your oral health, as well as a thorough cleaning. Carolyn L. Todd, SELF, "Exactly How Often You Really Need to See Different Kinds of Doctors," 17 Jan. 2019 Ouster uses a different technology called vertical-cavity surface-emitting lasers (VCSEL). Timothy B. Lee, Ars Technica, "Why millions of lasers on a chip could be the future of lidar," 8 Nov. 2018 The molecules stick to a layer of mucus on the upper surface of the cavity, embedded with olfactory neurons. Tim Folger, Discover Magazine, "How Quantum Mechanics Lets Us See, Smell and Touch," 24 Oct. 2018 Sprinkle half salt mixture inside cavity of chicken. Susan Nicholson, ajc, "7 Day Menu Planner," 16 Feb. 2018 Remove the lemon slices and sage from the marinade and stuff them inside the chicken cavity. Multiple Authors, House Beautiful, "Herb-Roasted Chicken with Lemon and Sage," 1 Sep. 2010 Also, Sutton notes that a previous video released of Poseidon being tested shows that it is driven by a pump jet, which is a form of propulsion which would not work within the gas cavity around a supercavitating torpedo. David Hambling, Popular Mechanics, "The Truth Behind Russia’s 'Apocalypse Torpedo'," 18 Jan. 2019

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

10 Mar 2019

Look-up Popularity

Time Traveler for cavity

The first known use of cavity was in 1541

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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

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More from Merriam-Webster on cavity

Rhyming Dictionary: Words that rhyme with cavity

Thesaurus: All synonyms and antonyms for cavity

Spanish Central: Translation of cavity

Nglish: Translation of cavity for Spanish Speakers

Britannica English: Translation of cavity for Arabic Speakers

Britannica.com: Encyclopedia article about cavity

Comments on cavity

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