- dead language
- dead alive
- decree nisi
- decreasing monotonic
- draftsman
- die_sinker
- discharge lamp
- dissipating
- dissipation
- divorced man
- dioptre
- diopter
- denier
- deci
- doctor of science
- discussion section
- dowery
- disenchant
- destruction fire
- direct fire
- distributed fire
- dietary supplement
- distaste
- doxy
- debaucher
- domine
- donkeywork
- donnans equilibrium
- divorcement
- demode
- demimonde
- derma
- dithered colour
- dithered color
- diesis
- double obelisk
- double dagger
- dye dilution curve
- degree(s)
- dramatization
- dramatisation
- dithyramb
- double_space
- dead mail
- dollar bill
- deltoid muscle
- depressor muscle
- discouragingly
- delta iron
- dyspnoeic index