- benching
- benderboard
- bendian stage
- bending furnace
- bending press
- bending tank
- bending test
- benowax
- bent section
- bentone grease
- benzaldehyde
- benzaldehyde oxime
- benzaldoxime
- benzamide
- benzanilide
- benzene hydrocarbon
- benzene nucleon
- benzene ring
- benzenoid
- benzidine
- benzine resistant
- benzine soap
- benzonaphthol
- benzonitrile
- benzophenone
- benzopyridine
- benzoylsalicin
- benzyl
- benzyl alcohol
- benzylidene
- bergamot oil
- Bergius process
- Berl saddle
- berlina
- berm
- Bermuda asphalt
- beta alumina
- betatron
- bevel gear
- bevel shears
- beveled
- beveling
- bi-acid
- bias
- biaxial element
- biaxial loading
- biaxial orientation
- Biazzi process
- bib cock
- bibcock
- bichloride
- bichromate
- bickford fuse
- bicycle oil
- bicyclodecane
- bid
- bifilar gravimeter
- big end
- bigrid
- bill
- binary alloy
- binary molecule
- binary salt
- binder briquette
- bihexyl
- binaphthyl
- binary compound
- binary separation
- binding gravel
- binding post
- binitrotoluene
- binocular microscope
- bio-assay
- bio-fuel
- biochemical
- biochemistry
- bioclastic timestone
- biodynamic
- bioengineering
- biogenic rock
- biological coagulator
- biolysis
- biometry
- bioNEMS
- biostratigraphic
- bipolar
- birch
- biscuit
- bisphenol A
- bister
- bisulfate
- bisulphate
- bit basket
- bit breaker
- bit change
- bit puller
- bit sample
- bit wear
- black gold
- black liquor