The meaning of the Acronym SA is...

SA is

• Staging Area
• Secretary of the Army
• Situation Analysis
• Services and Agencies
• Senior Advisor
• Space Applications
• Situation Awareness
• Supporting Arms
• Systems Architecture
• Security Administrator
• Springfield Armory
• Selective Availability
• Surprise Attack
• Safety Assessment
• Special Act
• South Australian
• Sturm Abteilung
• Surface-to-Air
• Swedish Aircraft

More Meanings For SA:

• Silver Azide
• Structured Audio
• Sampling Actuation
• Southern Andes
• Short Arc
• Souslin's Axiom
• Student Association
• Short Answer
• Sophomore Advisor
• Student Ambassador
• Stress Analysis
• Spatial Analysis
• Summer Absenteeism
• Student Administration
• Study Abroad

SA is also in:

• Chemistry
• Electronics
• Geology
• Mathematics
• Physics
• Universities