(i) Boyevaya Razvedyvatelnaya Mashina (Russian Боевая Разведывательная Машина, "Combat Reconnaissance Vehicle") † BRN (s) Bahrain (IOC trigram, but not FIFA or ISO 3166) (s) Brunei (ISO 3166 trigram) BRSB – (i) Battlefield Reasoning System Brianna BRU – (s) Brunei (IOC and FIFA trigram, but not ISO 3166) BS bs – (s) Bosnian language (ISO 639-1 code) BS (s) The Bahamas (ISO 3166 digram) Bassas da India (FIPS 10-4 territory code) Bachelor of Science degree British subject Bullshit BSA (i) Birmingham Small Arms (motorcycles company) Boy Scouts of America Brigade Support Area BSatCoP – Benjamin Sniddlegrass and the Cauldron of Penguins BSD (s) Bahamian dollar (ISO 4217 currency code) (i) Berkeley Software Distribution (distinct from BSoD) BSE – (i) Bovine Spongiform Encephalopathy, better known as mad cow disease BSE – (i) Buku Sekolah Elektronik (screw thread), BSF – (i) British Standard Fine (screw thread) BSL (i) Basketbol Süper Ligi (Turkish, "Basketball Super League"; top Turkish men's league) British Sign Language BSMB – (i) British Society for Matrix Biology BSN Baloncesto Superior Nacional (Spanish, "National Superior Basketball"; top Puerto Rican league) Bank Simpanan Nasional (Malay, "National Savings Bank"; government-owned Malaysian bank) BSNL Bharat Sanchar Nigam Limited (i) Bachelor of Science in Nursing BSoD – (i) Blue Screen of Death (distinct from BSD) BSP (i) Between-Show Promotion Binary Space Partitioning Board Support Package British Standard Pipe (screw thread) (p) Business-sponsored Bone sialoprotein BSS Block Starting with Symbol – see .bss Boxed Set Syndrome – where one starts watching a boxed set of DVDs and just can't stop until you've watched them all BST (i) Binary search tree Blended Sales Tax (p) Bovine somatotropin (i) British Summer Time BSW – (i) British Standard Whitworth (screw thread) BSW - Blind Spot Warning, see Blind spot monitor BSX – (i) Bendigo Stock Exchange BT Bt (i) Baronet Bacillus thuringiensis BT (i) Baal teshuva (Hebrew, "master of return") – used to describe a Jew who adopts Orthodox Judaism as an adult Bathythermograph (s) Bhutan (FIPS 10-4 country code; ISO 3166 digram) (i) BitTorrent British Telecom, the former name of the company now known as BT Group BTDT – (i) Been There, Done That Bti – (i) Bacillus thuringiensis israelensis BTID – (i) Battlefield Target Identification Device BTIS – (i) Battlefield Target Identification System BTN (s) Bhutan (ISO 3166 trigram) Bhutanese ngultrum (ISO 4217 currency code) BTO – (i) Built To Order BTP – (i) British Transport Police