- bush hammer
- bushing
- braking surface
- branch cable
- branch circuit
- branch drain
- branch instruction
- branch tee
- branch valve
- branching point
- brand
- brass
- brass pipe
- Brayton cycle
- brazed seam
- brazing blowpipe
- brazing machine
- breaching
- break bulk
- break out
- break value
- breakdown
- breakdown maintenance
- breakdown voltage
- breaker gap
- breaker point
- breakeven point
- breaking
- breaking device
- breaking energy
- breaking point
- breaking strain
- breaking-off
- breakover point
- breakthrough
- breakwater
- breast abutment
- breast drill
- breast plate
- breath
- breather cap
- breathing
- breathing stress
- breeches pipe
- breeding reaction
- brick
- brick furnace
- brick lining
- brick paving
- brick rubble
- brick veneer
- brick works
- brickfield
- bricking action
- brickwork
- brickwork joint
- bridge bearing
- bridge connection
- bridge floor
- bridge foundation
- bridge joint
- bridging
- brief
- briefcase computer
- bright field
- bright level
- bright-annealed
- bright-finished
- brightening
- brine charge
- brine feeder
- brine piping
- brine temperature
- Brinell test
- brink
- briny
- briquettable
- briquetting
- brittle coating
- broach
- broad
- broad stone
- broadband amplifier
- broadband channel
- broadcast
- broadcast program
- broadcasting
- broadside
- broadside radiation
- brochure
- broke
- broken brick
- broken joint
- broken number
- broken rock
- broken types
- brokerage
- bromatoxism
- bromide refrigerant
- brooklet