dentin

US:USA pronunciation: respellingUSA pronunciation: respelling(den′tn, -tin)


WordReference Random House Unabridged Dictionary of American English © 2026
den•tin  (den′tn, -tin),USA pronunciation n. [Dentistry.]
  1. Dentistrythe hard, calcareous tissue, similar to but denser than bone, that forms the major portion of a tooth, surrounds the pulp cavity, and is situated beneath the enamel and cementum. See diag. under tooth. 
Also, den•tine  (den′tēn).USA pronunciation 
  • dent- + -in2 1830–40
den′tin•al, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
dentine / ˈdɛntiːn/, dentin / ˈdɛntɪn/
  1. the calcified tissue surrounding the pulp cavity of a tooth and comprising the bulk of the tooth
Etymology: 19th Century: from denti- + -inˈdentinal
'dentin' also found in these entries (note: many are not synonyms or translations):
ameloblast - dent - dentine - ivory - odontoblast - resorption - tooth

Forum discussions with the word(s) "dentin" in the title:


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