The meaning of the Acronym R is...

R is

• Rudolph
• Randy
• Ronald
• Roy
• Rei
• Robin
• Roger
• Richard
• Rex
• Robert

More Meanings For R:

• Received solid signal
• Responder
• Riser
• Ring
• Ray
• Rumex
• Rose
• Reactive
• Radiancy
• Rankine Temperature Scale
• Reamer Temperature Ratio
• Recipe
• Redux
• Refinement
• Ideal Gas Constant (8.314 joules per Kelvin)

R is also in:

• Amateur Radio
• Architecture
• Astronomy
• Botany
• Chemistry