- d'Arcet's metal
- d'Arsonval current
- D'Espine's sign
- D.D.S.
- D.P.H.
- D.T.P.
- D.V.M.
- D.V.S.
- dacryops
- dacryorrhea, dacryorrhoea
- dacryosolenitis
- dacryosyrinx
- dactyl
- dactylion
- dactylium
- dactylographer's cramp
- Dactylology
- dactylolysis
- dactylomegaly
- dactyloscopy