The meaning of the Acronym MOS is...

MOS is

• Maintenance Operations Support Clerk

More Meanings For MOS:

• Metal Oxide Semiconductor
• Metal On Silicon
• Marine Observation Satellite
• Military Oceanography Subcommittee
• Mountain Ocean Sunshine
• My Own Science
• My Own Store
• Mutual Offset System
• Margin On Services
• Members, Owners, and Staff
• Money Order Sales
• Margin Of Success
• Microsoft Office Specialist
• Mercantile Office System
• My Other Secretary

MOS is also in:

• Electronics
• Firms
• General
• International Business
• Ocean Science
• Positions
• Universities