- Dhu'l_Hijja
- Dhu al_Hijja
- Dhu'l_Qa'dah
- Dhu al_Hijjah
- Dhu al_Qadah
- Dhu'l_Hijjah
- doha
- desert mariposa tulip
- dowitcher
- dextrin
- dogbane
- desert four o'clock
- driftfish
- denigrative
- dicophane
- Dennstaedtia
- Diplopterygium
- Drynaria
- Dryopteris
- Doryopteris
- Dicksonia
- Dicranopteris
- Drymoglossum
- dermolipoma
- dictyosome
- drepanocytic anaemia
- dysostosis multiplex
- drepanocytic anemia
- deficiency disease
- dise space
- disease caused by virus infection
- disfunction
- dysfunction
- dropweight apparatus
- dropsical
- drusen
- deoxyadenosine
- dioscorea trifida
- decollate
- drop a brick
- domestic carp
- double gold
- dewlap
- division cyanophyta
- diorama
- division cynodontia
- dilatation emphysema
- dilated pupil
- dilator naris
- dental procedure