- detection
- detention reservoir
- detonating charge
- devaluation
- developable length
- developer
- development map
- development works
- diamond bit
- diamond chippings
- diamond face
- diamond interchange
- diastyle
- diazo copy
- dichroic filter
- dictator
- die
- diesel rammer
- diesel shunter
- differential amplifier
- differential motor
- depreciate
- depreciation
- derailing
- derailment
- derivation tunnel
- derivative calculus
- derrick rope
- descending diagonal
- descending mining
- desert climate
- desert soil
- design coefficient
- design content
- design eccentricity
- design modeling
- design office
- design period
- design scheme
- design stress
- design time
- design weight
- desk microphone
- destination file
- destiny
- destructive capacity
- detachable union
- detached garage
- detached pier
- detail design
- detailed plan
- detective novel
- detention time
- deterioration rate
- detour
- detract
- detrusive landslide
- developable
- developed area
- development
- development program
- development system
- deviator
- device context
- devitrified stone
- dewatered gas
- dewatering sum
- dezincification
- diabase
- diabase tuff
- diaglyphic
- diagonal
- diagonal band
- diagonal beam
- diagonal cracking
- diagonal flooring
- diagonal grain
- diagonal sheathing
- diagonal tension
- dialect
- dialectic
- dialogal strut
- dialogical interaction
- diametral
- diamond dust
- diamond grinding
- diamond mine
- diamond slate
- diaphragm
- diaphragm dam
- diaphragm valve
- diatomaceous earth
- diatomite
- diatomite concrete
- diazo coping
- diazo print
- dichromatic
- different lengths
- differential calculus
- differential gauge