Manganese Oxide Mesoporous Structure - Inorganic Chemistry
Measure of Mission Success - Military (CAAL)
Member of the Organisation and Methods Society - British (DI)
Meteorological and Oceanographic Measurements System - Chevron Oil Co.
Meteorological Optic Measuring System (MCD)
Michigan-University Own Mathematical System (SAUO)
Micro-Opto-Mechanical Systems
Missile Operate Mode Simulator
Modified Operational Missile System (DNAB)
Modular Optoelectric Multispectral Scanner (GIS)
Modular Optoelectronic Multispectral Scanner (MCD)
Modular Optoelectronic Stereo Scanner (SAUS)
Mothers for Moral Stability - Group opposing sex education in schools
Mothers Offering Maternal Support - An association (MELL)
Mothers of Men in Service - World War II
Multimegabit Operation Multiplexer System
Multiple Orbit - Multiple Satellite
Multiple Organ Malrotation Syndrome - Medicine (DMAA)
Mervaerdiomsaetningsskat - Value-Added Tax - Danish (AD)
Missile Operate Mode Simulator (AD)