A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
b Base of transistor
b.p.s. Bits per second
BA British Association (type of screw thread)
BAF Bonded acetate fibre
BASEC British Approval Service for Electrical Cables
BASEEFA British Approvals Service for Electrical Equipment in Flammable Atmospheres
Be Beryllium (Chemical Symbol)
BEAB British Electrotechnical Approvals Board
BFA British Federation of Audio
BGA Ball Grid Array
BMP Bit Map
BNC Bayonet Neill-Concelman (co-ax connector, named after the inventors)
BP Bulk Pack
bpm blows per minute
BPO British Post Office
BR Bass reflex
BS British Standard
BSI British Standards Institution
BSP British Standard Pipe (type of screw thread)
BSPT BSP Taper thread
btu British Thermal Unit