English abbreviations from rau to rb
- RAU (Right As Usual)
- RAV (Reploid Age Verification)
- RAVAF (Royal Australian Virtual Air Force)
- RAVE (Randolph Area Volunteer Exchange)
- RAVEC (Regional Adult Vocational Education Council)
- RAW (Rifleman's Assault Weapon)
- RAWR (Reporting Actions With Resiliency (UST))
- RAWS (Raw Stacks VSP Log)
- Raz (Auto-Zero Resistance)
- Rb (Rubidium)