- density slicing
- density structure of lithosphere
- density structure of the upper mantle
- density test
- density theorem
- density threshold
- density topology
- density variable
- density variation
- density wave
- density-wave instabilities
- density-wave model
- density wave theory
- density-wave theory
- D. Enskog
- D. Enskog (1884—1947)
- densograph
- densography
- dental
- dental alveoli
- dental ancillary materials
- dental biomaterials
- dental biomechanics
- dental calculus
- dental caries