Noun dentin has 2 senses
- dentine, dentin - a calcareous material harder and denser than bone that comprises the bulk of a tooth
--1 is a kind of animal material
--1 has particulars: ivory, tusk
- dentine, dentin - bone (calcified tissue) surrounding the pulp cavity of a tooth
--2 is a kind of bone, os
--2 is a part of tooth
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