| 单词 | dentin |
| 释义 | dentin —dentinal, adj. /den"tn, -tin/, n. Dentistry. the 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, dentine /den"teen/. [1830-40; DENT- + -IN2] |
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