The meaning of the Acronym SG is...

SG is

• Same Generation
• Stern Gerlach

More Meanings For SG:

• Source Grep
• Second Generation
• Smart Generation
• Solution Generator
• Supergroup
• So Great
• Select a Girl
• Single Guy
• Shy Guy
• Spree Girl
• Speedy Gentleman
• Shattered Galaxy
• Star Graph
• Seed Growth
• Seeded Gel

SG is also in:

• Assembly
• Astronomy
• Botany
• Chat
• General
• Software
• Telecom