- by hand, manual
- blank, board
- big end bore,
- bus (US), coach (GB)
- blow out, puncture, flat tire
- bar, bolt, lock
- belt, strap
- body in white, body shop
- bag, sack
- be positioned; be seated
- block, lock; (Luftzufuhr) cut-off
- blanking press, blanker, blanking line
- bulkhead, dividing wall, partition
- bridge, span
- breaker contact; distributor contact points
- base, underframe
- base, pad
- blocked, stopped up
- body front end, engine compartment, front body
- board of management, executive board
- bent, distorted
- ban, prohibition
- bond, glue
- basic control loop, basic loop
- broadband loudspeaker, wideband loudspeaker
- backplane wiring, rearpanel wiring
- battery low annunciator, battery low indication
- battery-operated, battery-operated
- board variant, module variant; assembly variant; subassembly variant
- bevel, inclination angle
- bar;staff; stick
- bohren, aufbohren
- breaking load, ultimate load
- breaking power, stopping power
- breaking, stopping; retardation; deceleration
- b.
- back straight
- backstretch
- backwardation
- baking parchment
- Balaclava
- ballet master
- bank base rate
- bank bond
- bank remittance
- bank shares
- bankruptcy court
- bankruptcy proceedings
- barn door
- barometer reading