duod - elec
- duodenal
- duodenectomy
- duodenitis
- duodenoenterostomy
- duodenography
- duodenostomy
- duodenotomy
- duodenum
- duodynatron
- duohedron
- duotriode
- dupe
- dupe negative
- dupe positive
- dupery
- dupion
- duplex
- duplex apartment
- duplex brake
- duplex cable
- duplex carburettor
- duplex channel
- duplex circuit
- duplex communication
- duplex house
- duplex lathe
- duplex nickel plating
- duplex operation
- duplex printing
- duplex printing machine
- duplex pump
- duplex telegraphy
- duplex transmission
- duplex tube
- duplex winding
- duplexed system
- duplicate
- duplicate hardware
- duplicate record
- duplicate routine
