- double rule
- double seam
- double sequence
- double series
- double side
- double skin
- double stopper
- double T
- double track
- double way
- double window
- double wire
- double wound
- double-faced
- doubler
- doughnut
- doughy
- Dove prism
- dove tail
- dovetail cutter
- dovetail male
- dovetailing
- dowel
- dowel interconnection
- dowel pin
- dowelled joint
- down conductor
- down dip
- down grade
- down grinding
- down link
- down load
- down time
- downcutting
- downfall
- downgrade
- downhand position
- downhill
- download
- download font
- downpour
- downs
- downside
- downspout
- downstream
- downstream depth
- downstream face
- downstream fishway
- downstream level
- downstream site
- downthrow
- downward
- downwards
- downy
- dowwncomer
- doze
- dozer blade
- dozer equipment
- dpc
- draft bar
- draft copy
- draft fan
- draft quality
- draft soring
- draft tube
- draft version
- drafting
- drafting instrument
- drafting kit
- drafting paper
- drag brake
- drag cable
- drag chute
- drag conveyor
- drag cut
- drag fold
- drag handle
- drag lift
- drag shovel
- drag soring
- drag torque
- dragging device
- dragline
- dragline bucket
- dragon
- drain
- drain body
- drain connection
- drain dragline
- drain hole
- drain pan
- drain pipeline
- drain tap
- drain trench
- drain tunnel
- drainage
- drainage adit
- drainage blanket
- drainage channel
- drainage coefficient