Modified Modified Read 
Massachusetts Military Reservation 
maternal mortality rate 
measles, mumps and rubella 
Military Munitions Rule 
Multi Mode Radar 
Multi Mode Receiver 
Master of Marketing Research 
maternal mortality ratio 
Mean-Motion Resonance 
measles, mumps and rubella vaccine 
Measles, Mumps, Rubella 
Measles-mumps-rubella vaccine 
Mobile Marine Radio Inc. 
Mobile Multihop Relay 
Mobilization Material Requirement 
Modular Multiband Radiometer 
Multi-Mode Receiver 
mumps, measles, rubella 
MYANMAR 
macrophage mannose receptor 
Magnetic Memory Record 
Main Memory Register 
Managing the Microprocessor Revolution 
Market Magic Research 
mass miniature radiography 
Massachusetts Military Reserve 
masseter muscle rigidity 
masseteric monosynaptic reflex 
Master Metadata Repository