disk - dril
- disk
- disk antenna
- disk armature
- disk attenuator
- disk grinding
- disk insulator
- disk laser
- disk memory
- disk recorder
- disk signal
- disk thermistor
- disk type arrester
- disk winding
- dislocation
- dislocation boundary
- dislocation centre
- dislocation density
- dislocation group
- dislocation line
- dislocation loop
- dislocation mechanism
- dislocation motion
- dislocation movement
- dislocation network
- dislocation node
- dislocation scatter
- dislocation source
- dislocation spiral
- dislocation step
- dislocation structure
- disorder
- disordered crystal
- dispatch control
- dispatch control system
- dispatch telephone system
- dispenser
- dispenser cathode
- dispensing system
- dispersion
- dispersion coefficient
