D-4
Dacite
Dam
Damping
Dampproofing
Dark current
Data
Datum
DCE
DDTP
Dead space
Deadlock
Deadweight
Debris cloud
Deception repeater
Decollimation
DECON
Decrypt
Deforestation
Delamination
Delta modulation
Delta notation
Demand assignment
Dendrite
Dendrochronology
Dendroclimatology
Deoxyribose
Derrick
Desiccant
Desiccate
Desiccation
Detrital
Devitrification
DGPS
Dialysis
Diathesis
Diatoms
Dichogamy
Diesel
Diestrus
Differential correction
Diffusive transport
Digital
Diorite
Dioritic gneiss
Diploid
Diplopia
Direct connect
Direct-sequence spread spectrum
Directional antenna
Dirty bomb
DISA
Disclosure
Dissociative anesthetic
Distal
Dithering
Divergence
DNA
DOI
Dolerite
Dolomite
Domoic acid
Dopamine
Doppler effect
Doppler shift
Dorsal
Dosimeter
Dosimetry
Downlink
Download
Downstream
Downwelling
Dragoon
Drawbar
Dredging
Drift
Drug
Drug abuse
Drywell
DSLAM
DTE
Duripan
DWDM
Dynamic viscosity
Dysarthria
Dysplasia
Dyspnea
Dystocia