relative byte address
Radar Beacon Antenna
Ranger Body Armor
refined Born approximation
relative binding affinity
Reserve Bank of Australia
rabbit aorta
radial blanket assembly
Radiation Barrier Alloy
radiobinding assay
radioligand binding assay
radioligand binding assays
radiological buffer area
Ralph Bunche Academy
Rapid Biodiversity Assessment
rat brain astrocytes
receptor binding affinity
receptor binding assay
reentry body assembly
Refined Bitumen Association
Registered Business Administrator
Rehoboth Baster Association
Reimbursable Budget Authority
relative binding affinities
Relative Bonded Area
rescue breathing apparatus
Residence-Based Advising
respiratory burst activity
retrobulbar anaesthesia
retrobulbar anesthesia