The meaning of the Acronym RG is...

RG is

• Receiver General
• Refractory Grade
• Ring Gauge
• Rotating Gobo projector

More Meanings For RG:

• Radial Ground
• Radio Government
• Rare Gas
• Radio Grade
• Rare Gas
• Reader Group
• Renormalization Group
• Rapid Gravity
• Registered Grade
• Reference Group
• Regression Graph
• Rescher-Gaines logic
• ReGression
• Renormalization Group
• Radius of Gyration

RG is also in:

• Amateur Radio
• Chemistry
• Electronics
• Libraries
• Mathematics
• Physics
• Universities