China
Africa
- Dedekind-complete
- Dedifferentiation
- Deduction theorem
- Deductive database
- Deductive reasoning
- Deep brain stimulation
- Deep drawing
- Deep eutectic solvent
- Deep fascia
- Deep foundation
- Deep geological repository
- Deep learning
- Deep ocean water
- Deep reinforcement learning
- Deep sea mining
- Deep space exploration
- Deep space network
- Deep time
- Deep underground
- Deep vein
- Deep-cycle batteries
- Deep-cycle battery
- DeepFace
- Deepfakes
- Deepwater drilling
- Default
- Default logic
- Default passwords
- Defected ground structure
- Defective
- Defective matrix
- Defective pixel
- Defects
- Defence in depth
- Defense in depth
- Defensins
- Defensive programming
- Defibrator
- Defibrillation
- Defibrillators
- Deficiency
- Deficit irrigation
- Definite matrix
- Deflagration
- Deflagration to detonation transition
- Deflate
- Deflection
- Deflection yoke
- Defluoridation
- Defoamer
- Defocus aberration
- Defoliants
- Deforestation
- Deformable mirror
- Deformation
- Deformation mechanisms
- Deformation monitoring
- Deformation theory
- Defrosting
- Defuzzification
- Degassed water
- Degassing
- Degeneracy
- Degenerate
- Degenerate distribution
- Degenerate semiconductor
- Degeneration
- Degenerative disc disease
- Deglaciation
- Degradation
- Degranulation
- Degreasers
- Degree distribution
- Degree matrix
- Degree of a polynomial
- Degree of belief
- Degree of coherence
- Degree of curvature
- Degree of frost
- Degree of parallelism
- Degree of polymerization
- Degree of reaction
- Degree of truth
- Degrees of freedom
- Dehalogenation
- Dehiscence
- Dehumidifier
- Dehydration
- Dehydration reaction
- Dehydroascorbic acid
- Dehydroepiandrosterone
- Dehydrogenase
- Dehydrogenation
- Dehydrohalogenation
- Deicing
- Deinking
- Deinococcus radiodurans
- Deiodinase
- Deionized water
- Delafossite
- Delamination
- Delaunay triangulation
- Delay
- Delay calculation
- Delay differential equation
- Delay lines
- Delay spread
- Delay-tolerant networking
- Delayed extraction
- Delayed neutrons
- Delayed puberty
- Delegates
- Delegation
- Deletions
- Delftia tsuruhatensis
- Deliberative agent
- Delimiters
- Delirium
- Delivery robot
- Dell Optiplex
- Delocalized
- Delphi
- Delphi method
- Delta encoding
- Delta method
- Delta modulation
- Delta rule
- Delta waves
- Delta wings
- Delta-aminolevulinic acid dehydratase
- Delta-sigma modulation
- Delta-wye transformer
- Deltahedra
- Deltamethrin
- Deltas
- Deltoid ligament
- Deltoid muscle
- Demand characteristics
- Demand controlled ventilation
- Demand factor
- Demand paging
- Demand response
- Demand signal
- Demand-controlled ventilation
- Dematerialisation
- Dematerialization
- Dementia
- Dementia with Lewy bodies
- Demes
- Demethylase