资料来源 : pyDict
象牙质;牙本质
资料来源 : Webster's Revised Unabridged Dictionary (1913)
Dentine \Den"tine\, n. [Cf. F. dentine.] (Anat.)
The dense calcified substance of which teeth are largely
composed. It contains less animal matter than bone, and in
the teeth of man is situated beneath the enamel.
资料来源 : WordNet®
dentine
n 1: a calcareous material harder and denser than bone that
comprises the bulk of a tooth [syn: {dentin}]
2: bone (calcified tissue) surrounding the pulp cavity of a
tooth [syn: {dentin}]