cementum
Americannoun
noun
Etymology
Origin of cementum
1605–15; < Latin, variant of caementum rough stone; cement
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"Even though the periodontal tissue is composed of gingiva, periodontal ligament, alveolar bone, and cementum, analyses are usually performed exclusively on gingival samples due to technical and quantitative limitations," remarks lead author Mr. Anhao Liu.
From Science Daily • May 21, 2024
Another way to estimate age is to use a microscope to count the yearly additions of a mineralized tissue called cementum on teeth.
From Salon • Aug. 11, 2022
In the root of each tooth, the dentin is covered by an even harder bone-like layer called cementum.
From Textbooks • Jun. 19, 2013
Most genetics research on ancient teeth has focused on the inner tooth tissue, dentine, but Adler's team found that cementum, the coating of the root, was a richer source of DNA.
From Scientific American • Jan. 5, 2011
Aging white-tailed deer by annuli in the cementum of the first incisor.
From Ecological Studies of the Timber Wolf in Northeastern Minnesota by Frenzel, L. D.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
