The meaning of the Acronym PRB is...

PRB is

• Personnel Replacement Battalion
• Physical Review B

More Meanings For PRB:

• Pseudo-Random Binary
• Powder River Basin
• Polar Research Board
• Polar Research Board
• Philosophy Research Base
• PROBEX Corporation
• Problem Review Board
• Press Release Blaster
• Population Reference Bureau
• Policy Research Bureau
• Painters' Registration Board
• Performance Review Board
• Personnel Replacement Battalion
• Physical Review B
• Project Review Board

PRB is also in:

• AMEX Symbols
• Electronics
• FDA
• Firms
• Geology
• Media
• Meteorology
• Military
• NASA
• Non-Profit Organizations
• Ocean Science
• Universities