doub - eddy
- double amplitude
- double armature
- double braid
- double bridge
- double busbar arrangement
- double busbur arrangement
- double catenary
- double catenary suspender
- double circuit on a single tower
- double conductor
- double contact
- double containment
- double converter
- double insulator string
- double lattice
- double line-to-ground fault protection
- double pressure suppression system
- double reentrant winding
- double resistance box
- double squirrel cage
- double star
- double tension set
- double thickness of insulation
- double-acting actuator
- double-acting autoreclosing
- double-acting regulator
- double-armature motor
- double-armor cable
- double-break switch
- double-bus scheme
- double-circuit line
- double-circuit semivertical configuration
- double-conductor cable
- double-contact switch
- double-core cable
- double-current generator
- double-cylindrical boiler
- double-delta connection
- double-effect generating unit
- double-ended rupture of a reactor coolant circuit
