- dielectric property
- diencephalon
- diesel engine
- dieselized pumping machine
- diet feeding
- dietetics
- dietetics of crop
- dietology
- difference of longitude
- differential gear
- differential species
- differential thermal analysis
- differential variety
- differentiating species
- differentiation
- diffuse nuclei
- diffuse radiation
- disinfection on silkworm rearing
- disinfection station
- disinsectization
- disk coverer
- disk cultivator
- disk flower
- disk furrow opener
- dislocation
- disome
- dispensable amino acid
- dispepsia of poultry
- dispersant
- disperse phase
- disperse system
- dispersion
- dispersion medium
- dispersity
- dispersive range
- dispersive soil
- dissected
- disseminate
- dissemination
- dissimilation process
- dissociation
- dissolvent
- distance between drains
- distant hybrid
- distemper
- distillate
- distillation
- distillation flask
- distomatosis
- distributed nuclei