- DI water storage tank
- deionised water tank
- deionized water tank
- demineralised water tank
- demineralized water tank
- DI water tank
- deionized water pump
- DI water pump
- Deiters' cells
- Deisslingen
- Dejanira
- Dejopeja
- deca...
- deka...
- decade of life
- decade system
- decadent beauty
- Decadent Dreams
- decimal numeral system
- decagonal bipyramid
- decagram , dag
- decagramme , dag
- decaliter , dal, Dl
- decalitre , dal, DL
- decameter , dam
- decametre , dam
- dekameter , dam
- dekametre , dam
- decamethonium
- decamethonium bromide
- dean's office
- decapascal , daPa
- decaploid
