What does MD stand for?

What does MD mean?

MD	Multi-Definition Community » Media
MD	Miscellaneous Debris Academic & Science » Ocean Science
MD	Modern Drummer Miscellaneous » Unclassified
MD	Mad Duckkers Miscellaneous » Unclassified
MD	Morphine And Dilauded Miscellaneous » Unclassified
MD	Mommy Dearest Community » Media
MD	Mutable Dictionary Computing » Databases
MD	Massive Denial Miscellaneous » Funnies
MD	Make a new Subdiretory Computing » DOS Commands
MD	Monroe Doctrine Governmental » US Government
MD	Mission Director Governmental » NASA
MD	Master Dimension Governmental » NASA
MD	Manual Disconnect Governmental » NASA
MD	Manual Direct Governmental » NASA
MD	Malfunction Detection Governmental » NASA
MD	Bio-Medical Office, Kennedy Space Center Governmental » NASA
MD	Muzeul Dresda International » Romanian
MD	Mystery Date Internet » Chat
MD	Mystery Dungeon Miscellaneous » Gaming
MD	Masters Dissertation Academic & Science » Academic Degrees
MD	Mnemonic Device Business » Products
MD	Married Community » Genealogy
MD	Medium Dose Medical » Prescription
MD	Macular Degeneration Medical » Physiology
MD	Magnesium Deficiency Medical » Physiology