The meaning of the Acronym VSO is...

VSO is

• Very Stable Oscillator

More Meanings For VSO:

• Very Superior Old
• Vita Standards Organization
• Verb Subject Object
• Violin Shape Object
• Variable Speed Oscillation
• The Valves Switching Off
• Very Special Olds
• Voluntary Service Overseas
• Voluntary Service Overseas
• Veterans Service Organization
• Very Stable Oscillator
• Voluntary Service Overseas
• Vocational Student Organizations

VSO is also in:

• Educational
• Food
• Military
• NASA
• Unfiled
• US Government
• Veterinary