China 
Africa 
- Data reporting
- Data retrieval
- Data science
- Data scraping
- Data scrubbing
- Data security
- Data service unit
- Data set
- Data sharing
- Data sonification
- Data sovereignty
- Data storage
- Data store
- Data stream
- Data stream mining
- Data structures
- Data synchronization
- Data system
- Data theft
- Data transformation
- Data transmission
- Data type
- Data types
- Data validation
- Data valuation
- Data verification
- Data version control
- Data virtualization
- Data visualization
- Data warehouse
- Data wrangling
- Data-driven model
- Data-flow analysis
- Data-intensive computing
- Database
- Database administration
- Database administrator
- Database design
- Database engine
- Database index
- Database machine
- Database model
- Database schema
- Database security
- Database server
- Database transaction
- Datafication
- Dataflow
- Dataflow architecture
- Dataflow programming
- Datagrams
- Datalog
- Datasheets
- Dataspaces
- Date
- Dative bond
- Datum reference
- Datums
- Daubechies wavelets
- Daunorubicin
- Davis Quadrant
- Davy lamp
- Dawsonite
- Daylight
- Daylight factor
- Daylight harvesting
- Daylighting
- Daytime
- Daytime running lamps
- Dbx
- Dcc
- De Broglie wavelength
- De Casteljau's algorithm
- De novo
- De novo peptide sequencing
- De novo synthesis
- De-asphalting
- De-extinction
- De-icing
- De-identification
- Dead centre
- Dead code
- Dead ice
- Dead pixels
- Dead reckoning
- Dead space
- Dead time
- Dead zones
- Dead-beat control
- Dead-code elimination
- Dead-ice
- Deadband
- Deadline-monotonic scheduling
- Deadlock
- Deadweight tester
- Deaerators
- Dealkalization
- Deamidation
- Deamination
- Dean-Stark apparatus
- Deb
- Deblurring
- Deborah number
- Debridement
- Debris flow
- Debug
- Debugger
- Debugging
- Debulking
- Debye length
- Debye model
- Deca
- Deca-
- Decaborane
- Decabromodiphenyl ether
- Decade
- Decaffeination
- Decagon
- Decalin
- Decamethylcyclopentasiloxane
- Decamethylferrocene
- Decane
- Decanoic acid
- Decanol
- Decantation
- Decanter centrifuge
- Decanters
- Decapentaplegic
- Decarbonylation
- Decarboxylase
- Decarboxylation
- Decarburization
- Decavanadate
- Decay chains
- Decay heat
- Decay products
- Decay scheme
- Decay width
- Decayed
- Decellularization
- Decene
- Decenoic acid
- Decentralization
- Decentralized
- Decentralized application
- Decentralized decision making
- Decentralized decision-making
- Decentralized identifier
- Dechlorination
- Decibels