1. A calcareous material harder and denser than bone that comprises the bulk of a tooth
   "The dentist explained that the cavity had reached the dentine layer of the tooth";
   - dentin [N. Amer]
    
2. Bone (calcified tissue) surrounding the pulp cavity of a tooth
   "Tooth decay can progress through the enamel and into the dentine";
   - dentin [N. Amer]

Derived forms: dentines

Type of: animal material, bone, os[2]

Part of: chopper [informal], tooth

Encyclopedia: Dentine