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

Set up the Shaving Cream In a muffin tin, fill each cavity approximately 2/3 full with shaving cream. Country Living, "How to Make Shaving Cream Easter Eggs for Your Most Colorful Holiday Yet," 15 Mar. 2019 These acids can eventually drill cavities into your teeth and cause gingivitis, the first stage of gum disease. Korin Miller, SELF, "What Is a Water Flosser and Should You Be Using One?," 26 Feb. 2019 In general, fluoride toothpaste protects teeth by preventing decay and cavities in two ways, explains Untray T. Brown, DDS, MPH, at NYU Winthrop Hospital’s Center for Family Dental Medicine. Caroline Picard, Good Housekeeping, "Your Kids Are Probably Using Too Much Toothpaste, And It’s Hurting Their Teeth," 6 Feb. 2019 Tubal Occlusion Also known as a tubal blockage, tubal occlusion is when an ovulated egg is unable to be fertilized by sperm or to reach the endometrial cavity or uterus. Jennifer Gerson, Marie Claire, "Why Can't I Get Pregnant?," 1 Oct. 2018 Place lemon halves in chicken cavity, then rub entire chicken with butter mixture. Woman's Day Kitchen, Woman's Day, "Spiced Roast Chicken with Caramelized Carrots and Shallots," 15 Feb. 2019 Flames from the fridge had engulfed the kitchen and were quickly licking out of Kebede’s open window, setting fire to the insulation in the cavity beween the building and its new cladding. Krista Stevens, Longreads, "Andrew O’Hagan on The Grenfell Tower Fire, One Year Later," 17 June 2017 At the very least, pop off the bearing cap to see if there's sufficient grease in the bearing cavity. Mike Allen, Popular Mechanics, "How to Tow a Trailer," 6 Jan. 2017 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

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

21 Apr 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

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