digi - doub
- digital avionics
- digital bus
- digital cockpit
- digital control
- digital display
- digital implementation
- digital mechanization
- digital mode
- digital readout
- digital reversion
- digitalization
- digitally-stored map
- digitized image
- digitizer
- dihedral
- dihedral angle
- dihedral canards
- dihedral effect
- dihedral stability
- dihedral tailplane
- dihedralled canards
- diluter
- dimension
- dimension driver
- dimensional consistency
- dimensional tolerance
- dimensionality
- dimensionless
- dimensionless time
- dimming
- dinghy
- dip
- diplacement vector
- diplexer
- dipole antenna
- dipping sonar
- Dirac delta function
- direct digital drive actuation
- direct drive
- direct force capability
