- Display device
- Display resolution
- Disposable
- Disposable cups
- Dissected plateau
- Dissection
- Disseminated
- Dissimilar friction stir welding
- Dissimilatory metal-reducing bacteria
- Dissimilatory nitrate reduction to ammonium
- Dissimilatory sulfate reduction
- Dissipation
- Dissipation factor
- Dissipative particle dynamics
- Dissipative solitons
- Dissipative systems
- Dissipator
- Dissociation constant
- Dissociation rate
- Dissolution
- Dissolution testing
- Dissolved air flotation
- Dissolved gas analysis
- Dissolved load
- Distal convoluted tubule
- Distal radioulnar joint
- Distal radius fracture
- Distance correlation
- Distance education
- Distance field
- Distance geometry
- Distance matrix
- Distance measure
- Distance of closest approach
- Distance transform
- Distance-vector routing protocol
- Distillate
- Distillation
- Distillation columns
- Distilled water
- Distinction
- Distortion
- Distortion function
- Distraction osteogenesis
- Distress
- Distributary
- Distributed algorithms
- Distributed amplifier
- Distributed antenna system
- Distributed artificial intelligence
- Distributed cache
- Distributed computing
- Distributed computing environment
- Distributed databases
- Distributed feedback lasers
- Distributed lag
- Distributed ledgers
- Distributed manufacturing
- Distributed memory
- Distributed objects
- Distributed parameter systems
- Distributed power
- Distributed propulsion
- Distributed shared memory
- Distributed temperature sensing
- Distributed version control
- Distributed-feedback lasers
- Distribution centers
- Distribution fitting
- Distribution function
- Distribution law
- Distribution transformer
- Distributional semantics
- Distributive
- Distributive justice
- Distributive lattice
- Distributive property
- Distributivity
- Distributors
- District cooling
- Disturbances
- Disulfide
- Disulfiram
- Ditches
- Diterpenes
- Dither
- Dithiane
- Dithiocarbamates
- Dithiol
- Dithionite
- Dithiophosphate
- Dithiothreitol
- Dithizone
- Dityrosine
- Diuresis
- Diuretics
- Diurnal
- Diurnal cycle
- Diuron
- Divalent
- Divergence
- Divergence theorem
- Divergent series
- Divergent thinking
- Diversion dam
- Diversity combining
- Diversity factor
- Diversity gain
- Diversity schemes
- Diverticulosis
- Divertor
- Divided differences
- Diving reflex
- Divinyl ether
- Divinylbenzene
- Divisibility
- Division
- Division algebras
- Division of labor
- Division of labour
- Division ring
- Division sign
- Dixanthogen
- Django
- Djurleite
- Dlib
- Do while loop
- DoDAF
- DoG
- Doc
- Docetaxel
- Docker
- Docking
- Docking station
- Docks
- Docosahexaenoic acid
- Doctor-patient relationship
- Document
- Document automation
- Document classification
- Document clustering
- Document management
- Document processing
- Document retrieval
- Document-oriented database
- Document-term matrix
- Documentation
- Docusate
- Dodecahedron
- Dodecane