- debris cone
- debris plain
- deceleration lane
- deck roof
- deck width
- decline
- declutching lever
- decoder
- decompose
- Decorated style
- decorative block
- decorative joint
- decorative material
- decorative structure
- decorativeness
- deep
- deep throat
- defective wood
- defects
- defensive tower
- define style
- deflectometer
- deformable system
- deformation capacity
- deformation field
- deformation process
- degassing
- degeneracy theorem
- degradation
- degrade
- degreasing
- degreasing plant
- dehumidifying capacity
- Del key
- delay element
- delay function
- delegation
- damp proofing
- damp sites
- damp walling
- damped
- dampening
- damping chamber
- damping function
- damping power
- dampproof
- dampproofing
- dancing floor
- dancing step
- dangerous turn
- dark colour
- data domain
- data sort
- data table
- data type
- dawk
- day turn
- day-work
- dazzle glare
- de-aeration
- dead
- dead anchor
- dead partition
- deadening
- dazzle index
- de-bonding
- dead air
- dead dragline
- dead level
- dead room
- dead shore
- deadline
- death rate
- debilitate
- debt
- debtor
- decadent
- decant
- decay
- decay resistance
- decayed knot
- deck barge
- deck form
- deck girder
- deck span
- decking
- declaration
- decolorize
- decomposed ground
- decomposition reaction
- decorative architecture
- decorative ceiling
- decorative composition
- decorative facing
- decorative varnishing
- decorator
- deep component
- deep fill
- deep stage
- deep tone