| Abbreviation | Definition |
|---|---|
| DMBB | Del Mar Bus Bench |
| DMBB | DeMarco Backed Bench |
| DMBB | Desktop Mounting Bracket, Beige |
| DMBH | Disposable Microtome Blade Holder |
| DMBL | Double-rung Marine Boarding Ladder |
| DMBP | Diamond Sports Batting Practice machine |
| DMBS | Dr. Martin's bombay Set of India Ink |
| DMBW | Desktop Mounting Bracket, White |
| DMBW | DumbWaiter |
| DMC | Dual Molded Crossline |
| DMGB | Dyed Moroccan Geodes Black |
| DMHT | Dual Microstructure Heat Treatment |
| DMP | Digital Music Products |
| DMT | Dual Mode Traveler |
| DNA | Did Not Arrive |
| DNB | Design and Build |
| DNC | Direct Numerical Control |
| DNDP | Division of Nonprescription Drug Products |
| DNHP | Discount Natural Health Products |
| DNO | Do Not Open |