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单词 baby tooth
释义

baby tooth

noun

: a temporary tooth of a young mammal that in human dentition includes four incisors, two canines, and four molars in each jaw : milk tooth, deciduous tooth
If one of my sisters or brothers or I lost a baby tooth, we always put it in an envelope under our pillow. Ian Frazier
By the time a dog is about a year old, the baby teeth will have been gradually replaced by 42 permanent teeth … Tom Ewing

Example Sentences

Recent Examples on the Web The baby tooth from Grotte Mandrin, lost in the dirt of the cave floor roughly 54,500 years ago, is now the oldest evidence of our species anywhere in Europe. Kiona N. Smith, Ars Technica, 21 Feb. 2022 The cross-section of an exfoliated incisor baby tooth mounted to a holder for analysis at Dr. Erin Dunn’s office. Globe Staff, BostonGlobe.com, 7 Mar. 2022 Humans had been living in Australia for at least 10,000 years before the Grotte Mandrin child dropped its baby tooth. Kiona N. Smith, Ars Technica, 21 Feb. 2022 An ancient baby tooth found in a cave in France shows modern humans arrived in western Europe almost 10,000 years earlier than previously thought. Margaret Osborne, Smithsonian Magazine, 11 Feb. 2022 The clearest evidence is a single baby tooth from a modern human child, aged between 2 and 6, that was found in a layer of clay and sand sediments on the floor of the cave. Tom Metcalfe, NBC News, 9 Feb. 2022 According to State Police Detective Sergeant Scott Jarvis, the agency collected DNA samples from the family, along with a DNA sample from a baby tooth belonging to Denise. Andrea Cavallier, NBC News, 6 Mar. 2020 The opossum, who is less than a year old, weighs two pounds and still has her baby teeth. Alaa Elassar, CNN, 12 Jan. 2020 Most baby teeth are discarded, as are permanent teeth that are pulled during orthodontic or other dental procedures. BostonGlobe.com, 18 Dec. 2019 See More

Word History

First Known Use

1834, in the meaning defined above

Kids Definition

baby tooth

noun

: milk tooth

Medical Definition

baby tooth

noun

: milk tooth
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更新时间:2025/1/31 7:30:14