minor civil division 
magnetic circular dichroism 
millicandela 
Manipulative Communications Deception 
Mini Client Driver 
Mouse Cytogenetic Database 
Multimedia Cartridge Drive 
Manipulative Communication Deception 
mast cell degranulating 
medical crew director 
Metals and Ceramics Division 
Minewarfare and Clearance Diving 
Minimum Cost Design 
Missile Countermeasure Device 
Municipal Construction Division 
Air Medical 
IATA code for Mackinac Island Airport,… 
Macular corneal dystrophy 
magnetic CD 
Magnetic Chip Detector 
magnetic circular dichroic 
Magnetic Crack Detection 
Mail Channel Directory 
main chain directed 
Main Charge Disrupter 
Maintenance Console Device 
Maintenance Control Document 
maize chloroplast DNA 
Major civil division 
Malaysian Central Depository