- breadth
- breadth ratio
- break
- break board
- break contact
- break line
- break open
- break point
- break stone
- break thrust
- breakable
- breakage face
- breakaway
- breakdown potential
- breakdown speed
- breaking down
- breaking joint
- breaking load
- breaking plant
- breaking strength
- breaking test
- breakout box
- breakpoint switch
- breakstone
- breast
- breather pipe
- breather value
- breccia
- breeching
- breed
- breeze
- breezeway
- brick core
- brick factory
- brick jointer
- brick masonry
- brick up
- brick-laying
- bridge
- bridge aqueduct
- bridge construction
- bridge crossing
- bridge flooring
- bridge keeper
- bridge network
- bridge scour
- bridge truss
- bridge waterway
- bridgeware
- bridle
- bright finish
- bright oil
- brighten
- brightness curve
- brightness value
- brilliant
- brine
- brine agitator
- brine battery
- brine charging
- brine circulator
- brine pipe
- brine refrigerant
- budgetary
- buffer group
- buffer pool
- buffer solution
- buffer stage
- buffer storage
- buffer unit
- buffer zone
- buffering
- buffering method
- buffeting
- buffing oil
- bug shooting
- build-up
- builder road
- building component
- building design
- building law
- building line
- building materials
- building orientation
- building permit
- building regulation
- building type
- bulb socket
- bulbous shroud
- bulge
- bulging lathe
- bulk
- bulk goods
- bulk memory
- bulkhead
- bulky
- bull block
- bull float
- bullclam
- bullet board