The meaning of the Acronym OAS is...

OAS is

• Orbiter Avionics System
• Orbiter Atmospheric Simulator
• Orbiter Aeroflight Simulator
• Office Automation System

More Meanings For OAS:

• Oracle Application Server
• Office Administration System
• Optimum Additive Solution
• Organization of American States
• Online Assessment System
• Office of Applied Studies
• Odd And Sods
• One Angry Swede
• Overpayments And Accounting Summary
• Overpayments And Accounting Summary
• Organization of American States
• Old Age Security
• Option Adjusted Spread
• Operations Automation System
• Offensive Air Support

OAS is also in:

• Accounting
• Chemistry
• General
• International Business
• Military
• Mortgage
• Networking
• Ocean Science
• Software
• Stock Exchange
• Unfiled
• Universities