The meaning of the Acronym SO is...

SO is

• Sign Off
• Sarts Oscar
• Silesie Orientale
• Substitutive Outlier
• Station Offset
• Spin Orbit
• Security Officer
• Student Organizations
• System Output
• Sloganeering Org
• Stykovochnyy Otsek
• Structured Obligation
• Shop Order

More Meanings For SO:

• Shared object (Fortran 90)
• Shift Out
• Shared Object
• Shared Objects
• Scene Object
• Self Organizing
• Sign Out
• Serving Office
• Significant Other
• Shout Out
• Sort Of
• Small Outline (package)
• The Source Of ....
• Student Orientation
• Stupid Oaf

SO is also in:

• Adults
• Chat
• Electronics
• File Extensions
• General
• Ocean Science
• Security
• Telecom
• Universities