- biaxial
- biaxial compression
- biaxial flexure
- biaxial stress
- biaxiality
- bib cock
- bibliographic information
- bicable ropeway
- biclothoid
- bicoca
- bicycle rack
- bicycle shed
- bid
- bid bond
- Bid Opening
- bid price
- bid schedule
- bidder
- bidding
- Bidding Document
- bidding documents
- bidding period
- bidding requirements
- bidet
- bifold door
- bifolding door
- bifurcation
- bifurcation point
- big dipper
- big mallet
- bilateral clearing
- bilinear diagram
- billet
- billiard-room
- billow
- bin
- bin-wall
- binary format
- bike
- bilateral constraint
- bill rates
- billion
- binary code
- bind
- binder course
- binding
- binding beam
- binding reinforcement
- binoculars
- bioclastic
- bioclimatology
- biofilter
- biogenic rock
- biolith
- biological coagulator
- biological corrosion
- biological film
- biological oxidation
- biological pond
- biological protection
- biological resistance
- biological resource
- biological stability
- biomass
- biostabilizer
- biotite
- biotite granite
- biotite schist
- biparting door
- biphase
- bipolar dynamo
- birch
- birch bark
- birdcage scaffold
- Birth rate
- birthday
- biscuit firing
- bisect
- bisector
- bison foundation
- bister
- bit
- bit bucket
- bit dressing
- bit map
- bite
- bituminous membrane
- bituminous pavement
- black lever
- black space
- black steel
- blacksmith work
- blade
- blading
- blank arch
- blank door
- blank mold
- blank skylight
- blank table
- blanket