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BNC: 1747 COCA: 1854

tooth

noun

plural teeth ˈtēth How to pronounce tooth (audio)
1
a
: one of the hard bony appendages that are borne on the jaws or in many of the lower vertebrates on other bones in the walls of the mouth or pharynx and serve especially for the prehension and mastication of food and as weapons of offense and defense
b
: any of various usually hard and sharp processes especially about the mouth of an invertebrate
2
: a projection resembling or suggesting the tooth of an animal in shape, arrangement, or action
a saw tooth
: such as
a
: any of the regular projections on the circumference or sometimes the face of a wheel that engage with corresponding projections on another wheel especially to transmit force : cog
b
: a small sharp-pointed marginal lobe or process on a plant
3
a
teeth plural : effective means of enforcement
drug laws with teeth
b
: something that injures, tortures, devours, or destroys
jealousy with rankling tooth Thomas Gray
4
5
: a roughness of surface produced by mechanical or artificial means
toothlike adjective

Illustration of tooth

Illustration of tooth
  • A outside of a molar
Phrases
in the teeth of
1
: in or into direct contact or collision with
sailing in the teeth of a hurricane Current Biography
2
: in direct opposition to
rule had … been imposed by conquest in the teeth of obstinate resistance A. J. Toynbee
to the teeth
: fully, completely
armed to the teeth

Example Sentences

The dentist will have to pull that tooth. You should brush your teeth every morning and night. She clenched her teeth in anger. He has a set of false teeth. the teeth of a saw The labor union showed that it has teeth. See More
Recent Examples on the Web Queen Elizabeth departs the reception five minutes earlier than scheduled to have an emergency filling placed in a back tooth to replace one that fell out. Kori Rumore, Chicago Tribune, 8 Sep. 2022 As with most pets his age, it was also found that Walker was in need of a dental to remove a fractured tooth. The Republic, The Arizona Republic, 2 Sep. 2022 That’s a happy contrast with most other paleontological sites, where fossils turn up as higgledy-piggledy jigsaw puzzles and researchers must sometimes rely on a single tooth or a piece of jawbone to describe an entire species. Richard Conniff, Smithsonian Magazine, 24 Aug. 2022 During that process, police found a loose tooth on the floor. cincinnati.com, 22 Aug. 2022 From 1840 onward, those who practiced tooth extraction had to sit an exam to assess their level of knowledge and skill. Lisa Morrow, CNN, 15 Nov. 2021 Currently, Medicaid will pay only for emergency tooth extraction for adults. From Usa Today Network And Wire Reports, USA TODAY, 30 June 2021 Testers also evaluate the products at home on factors such as ease of use, flavor, tooth sensitivity, cleaning efficacy (if applicable) and perceived whitening effects. April Franzino, Good Housekeeping, 30 Aug. 2022 The unexpected discovery of a 16th-century horse tooth in modern-day Haiti has provided credence for an age-old folk story about the origin of feral horses on an island off Maryland and Virginia. Zoe Sottile, CNN, 7 Aug. 2022 See More

Word History

Etymology

Middle English, from Old English tōth; akin to Old High German zand tooth, Latin dent-, dens, Greek odont-, odous

First Known Use

before the 12th century, in the meaning defined at sense 1a

Time Traveler
The first known use of tooth was before the 12th century

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