Noolekasmo / Caafimaad
D
- Darwinism: Aragtida Darwin
- Daughter cells: Unugyada mataanaysan
- Day light vision: Aragtida Ilays maalmeed
- Daemination: Harsadbiile tirid
- Decay: Qurmid
- Deciduous: Magoolayaal
- Deciduous teeth: Ilka caanood
- Decomposer: Kala bixiye
- Decortication: Qubtirid, Diirtirid
- Deficiency Disease: Yaraansho
- Defoliation: Tirmid
- Dehiscent: Dhambacme
- Dehydration: Oomnaan, biyo kasaaris
- Dehydrogenase:
- Dendride: Faraq dareen , Geedyarooyin
- Denitrification: Hareeri tirid
- Dens: Ilig
- Dental Formula: Naaneys ilkood
- Dental groove: Xordhan ilkood
- Dentine: Ilko
- Deoxyribose: Hololsaar Bu’macaane
- Deoxyribonuclease:
- Deoxyribonucleic acid DNA:
- Depauperate: Cilin
- Dermotophytes: Dubkabax
- Dermis: maqaar
- Dermatitis: Maqaar-olol / Maqaarkaar
- Determination of sex: Go’doomin jinsi
- Diabetes mellitus: Jirro Kaadimacaan
- Diagnosis: Bugbaadhis
- Diaphragm: Bog
- Diastema: Fanax
- Diastole: Hakadwadneed
- Diatoms: Labasaxarlayaal
- Dicotyledon: Beerlamaane
- Differenciation: Meesiyayn
- Diffuse: Dhexgelid
- Diffusion: Dhexgalid
- Digestion: Dheefshiid
- Dhigestive Enzyme: khamiir Dheefshiid
- Dhigestive Glands: Qanjidho Dheefshiid
- Digestive System: Habdhis Dheefshiid
- Digits: faro
- Dihybrid: Iskadhal
- Dihybridization: Iskadhalid
- Dimorphism: labaqaable
- Dioecious: halsinjiinle
- Diploblastic: labaduble
- Diploid: Lammaan
- Diploid Condition: Xaalad labaysan
- Diploid Number: Tiro lammaanle
- Disc: Daawe
- Discontinuous distribution: filqan aan ishaysan
- Disease: Cudur , jirro
- Dispersal: Firdhis
- Disperse: Firdhi
- Dispersion medium: Firdhiye
- Dissimilation: Jejebin , burburin
- Distal: Gadaaleed
- Distribution: Filiqsanaan
- Diversity: kaladuwanaansho
- Division: qaybis
- DNA: Buhsob-ta
- DNA cycle: Meertada Buhsob-ta
- DNA Replication: Dheegidda Buhsob-ta
- DNA sysnthesis : Samaynta Buhsob-ta
- Dominance: Shiiqis
- Dominant: shiiqiye
- Dominant Character : Astaan Shiiqiye
- Donor: Deeqe
- Dormacy : Hogasho
- Dormant: Hogte
- Dorsal: Duleed
- Dorsal Aorta: Gar duleed
- Dorsal lobe: laabi duleed
- Dorso intestinal vessel : Dhuun duleed mindhicir
- Double Circulation: Dhiigwareeg lammaan
- Double Cross: Iskudhufasho lammaan
- Double Fertilization: Bacrin lammaan
- Drosophila: diqsimireed
- Drupe: lafley
- Ductless Gland: Qanjidh marinla’
- Duodenum: 12faraale, 12le (laba iyo toban faraale)