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单词 dentin
释义

WordReference Random House Unabridged Dictionary of American English © 2024
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/ n
  1. the calcified tissue surrounding the pulp cavity of a tooth and comprising the bulk of the tooth
Etymology: 19th Century: from denti- + -in

ˈdentinal adj
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更新时间：2025/2/23 1:58:18