- MDD
- Major Depressive Disorder (Medical » Physiology)* Medical Device Directive (Medical » Hospitals)* Medical Devices Directive (Governmental » US Government)* McDonnell Douglas (Business » Firms)* Mirrored Drive Door (Computing » Hardware)* Mirror Drive Doors (Computing » Hardware)* Meteorological Data Distribution (Academic & Science » Ocean Science)* Mal De Debarquement Syndrome (Medical » Physiology)* Mineral Deposits Division (Governmental » US Government)* Mirrored Disk Drive (Computing » Hardware)* Making Digits Dance (Business » Firms)* Membership Development Director (Community » Non-Profit Organizations)* Multi Domed Daemon (Computing » Software)* Millennium Dynamic Deformer (Miscellaneous » Science Fiction)* Montana Dangerous Drug (Community » Law)* Millennium Dawn Designs (Business » Firms)* Meaning Definition Document (Computing » General)Maintenance Defered Defect (Miscellaneous)
Abbreviations dictionary. 2012.