DC c - depo
- DC Chopping
- DC Chopping Circuit
- DC compensating network
- DC component
- DC composite insulator
- DC compound motor
- DC control circuit
- DC corona
- DC corona loss
- DC coupled
- DC coupling
- DC drive
- DC form factor
- DC push pull amplifier
- DC servomechanism
- DC servomotor
- DC static convertor
- DC tachogenerator
- DC, data cell
- DC, data channel
- DC, data collection
- DC, data communication
- DC, direct current
- DC, drawing change
- DC-AC converter
- DC-AC inverter
- DC-AC power inversion
- DC-AC-DC
- DC-DC Converter
- DC-DC LVDT displacement transducer
- DC/AC converter
- dccd
- dccl
- DCE, data circuit terminating equipment
- DCS, Distributed Control System
- dctl
- dctl gate
- DDRTS, digital dynamic real time simulator
- De Meritens alternator
- de-blocking scheme system
