BR
BR is used as the country code for Brazil, a common email sign‑off meaning best regards, and in tech circles for bug reports or line breaks, while also evoking the baseball legend Babe Ruth.
Medical
BathRoom
Bed Rest
Breathing and Relaxation
Background Retinopathy
Balbiani ring
baroreceptor
baroreflex
Basal Respiration
Baseline Recovery
Bedside Rounds
Biliverdin Reductase
Binocular Rivalry
Biochemical Response
Biological Response
birefringence
Birthing Room
Blink Response
Blocking Reaction
Bombesin Receptor
Bone Resorption
brachioradialis
Breast Reduction
Breathing Rate
Breathing Reserve
Bronchial Reactivity
Bronchial Response
bronchus
Budget Requirement
Bumetanide-Resistant
Birmingham Revision (of anatomical nomenclature)
Breast Reconstruction
Miscellaneous
Polybutadiene Rubber
Bear Roast
Blood Reaper
Babe Ratio
Balls Rollers
Batch Render
Bulged Reflector
Butadiene rubber
Backup and Recovery
Blue Room
Bend Release
bulbs are
Community
Bold Region
Babe Ruth
Bass Reflex
Bob Rozakis, comic book writer and editor
Bogues Rages
Beginning Reader
Band Reject
By Request
Bridgewater-Raynham Regional School District
Ben Reuven
Bayerischer Rundfunk (Bavarian Radio)
Governmental
By Report
Bowser Rebels
Blanket Roll
Buchi Ramaiah
Burgess Roll
Bombing Run
Birth Rate
Bandera Roja (Peruvian Communist Party)
Blue Ridge
Bourns
Booster Ring
Battle Royale
Baton Rouge
Big Rod
Boca Raton
Beach Road
Braced and Racked
Buffalo Ridge
Bit Rate
Budget Review
International
Academic & Science
Biosphere Reserve
Best Response
Barnes Reinecke
Bridge Return
Book Review
Brown Root
Bubble Renormalized
Bounding Region
Bounding Rectangle
Braid Representative
Branching Ratio
Bump Rail
Building Report
Basic Region
Regional
Brazil
Breton
Bradford Industrial Rail Incorporated
British Rail
Beginning Russian
Barry Railway
Big Rock Point, Michigan