The meaning of the Acronym RB is...

RB is

• Ruby Base
• Rogers Batteryless
• Radek Bonk
• Round Base
• Roque Batty
• Regular Banjo
• Requires Binding
• Rotatable Back
• Release Bend
• Right Bass
• Raised Block
• Raised Back
• Right Bottom
• Right Boundary
• Revolving Back
• Race Bred
• Rice Boy
• Rugged Blocker
• Rubber Biscuit
• Road Board
• Retinoblastoma By
• Rolls Barnoldswick
• Rock Bakura
• Rambut Busok
• Reverse Binoculars
• Remaining Battery
• Richard Baggins
• Roger Benoit
• Reconnaissance The B
• Racing Bred
• Red Bellied
• Replace Binary
• Regular Bucket
• Reverse Bend
• Rody And Bridget
• Rody And Bridgitte
• Red Boy
• Relative Biomass
• Round Buckler
• Reserve Box
• Raging Bull
• Rubbish But
• Running Beast
• Random Bish
• Richard Booton
• Race Breed
• Rifle Bomb
• Reformado Bogota
• Roberts Brothers
• The Random Bgp
• Ruston Bucyrus
• Rear Bath
• Rohon Beard
• Resource Based
• Racing Breed
• Resource Bundle

More Meanings For RB:

• Read Binary
• Rotate Buffer
• Reservation Bit
• Richard Bruce
• Registry Backup
• Rounded Box
• ROM Boot
• Remote Backup
• Randomized Block
• Real Beard
• Really Big
• Rubidium
• Rubidium
• Resistance Barrier
• Rubberized Base

RB is also in:

• Assembly
• Chat
• Chemistry
• Electronics
• File Extensions
• General
• Hardware
• Networking
• Telecom