- box bolt
- boxboy
- box braid
- box calf
- box camera
- box canyon
- boxcar
- box chronometer
- box coat
- box column
- box cornice
- box cutter
- box day
- box elder
- boxer
- Boxer
- boxercise
- boxer shorts
- boxer-style
- boxfish
- box frame
- box-fresh
- boxful
- box girder
- Boxgrove man
- box gutter
- boxhaul
- boxhead
- boxholder
- box huckleberry
- boxing
- Boxing Day
- boxing glove
- boxing ring
- box iron
- box jellyfish
- box junction
- box keel
- box kite
- box lacrosse
- box loom
- box lunch
- box magazine
- box nail
- box number
- box office
- box-office
- box pleat
- box plot
- boxroom
- box room
- box score
- box seat
- box set
- box sill
- box social
- box spanner
- box spring
- box stall
- box staple
- box step
- box stoop
- box store
- box stretcher
- box the compass
- boxthorn
- box-ticking
- box top
- box turtle
- boxwood
- box wrench
- boxy
- boy
- boyar
- boy band
- Boyce
- boychik
- boycott
- Boycott
- Boyd
- boy dad
- boy dinner
- Boyd Orr
- Boyer
- boyf
- boyfriend
- boyhood
- boyish
- boykie
- boyla
- Boyle
- Boyle's law
- boy-meets-girl
- boy mom
- Boyne
- Boynton Beach
- boyo
- Boyoma Falls
- boy racer
- Boys' Brigade
- boy scout
- Boy Scout
- Boy Scouts of America
- boysenberry
- boyshorts
- boy shorts
- boys will be boys
- Boys will be boys
- boysy
- boy toy
- boy wonder
- Boz
- Bozcaada
- Bozeman
- Bozen
- bozo
- Bozzaris
- bp
- BP
- bp.
- BPA
- B particle
- BPC
- BPD
- BPH
- BPharm
- BPhil
- bpi
- BPI
- BPL
- bpl.
- B power supply
- BPR
- bps
- Bq
- b quark
- br
- Br
- BR
- br.
- Br.
- Br. Som.
- br'er
- bra
- braai
- braaivleis
- braata
- Brabançon
- Brabant
- brabble
- Brabham
- bra burner
- braccate
- braccio
- brace
- brace and bit
- braced arch
- braced frame
- brace jack
- bracelet
- bracelets
- bracer
- bracero
- brace root
- braces
- brace table
- brace up
- brach
- brachah
- brachi-
- brachial
- brachialgia
- brachial plexus
- brachiate
- brachiation
- brachiator
- brachio-
- brachiocephalic
- brachiocephalic artery
- brachiocephalic vein
- brachiopod
- brachiosaur
- brachiosaurus
- brachistochrone
- brachium
- brachy-
- brachycephalic
- brachycerous
- brachycranic
- brachydactylia
- brachydactylic
- brachydome
- brachylogy
- brachyodont
- brachypterous
- brachystomatous
- brachytherapy
- brachyuran
- brachyurous
- bracing
- braciola
- bracken
- bracket
- bracket clock
- bracket creep
- bracket foot
- bracket fungus
- bracketing
- bracketology
- brackets
- bracket saw
- Brackett series
- brackish
- Bracknell
- Bracknell Forest
- braconid
- bract
- bracteate
- bracteolate
- bracteole
- brad
- Brad
- bradawl
- Bradbury
- bradded
- Braddock
- Braddock Hills
- Bradenton
- Bradford
- Bradford score
- Bradford spinning
- Bradlaugh
- Bradley
- Bradley, Omar
- Bradley Fighting Vehicle
- Bradman
- Bradshaw
- bradsot
- Bradstreet
- Brady
- brady-
- bradycardia
- bradykinesia
- bradykinin
- bradytelic
- brae
- Braeburn
- braeheid
- Braemar
- Braford
- brag
- Braga
- Bragdon
- Bragg
- Bragg's law
- braggadocio
- braggadocious
- braggart
- bragger
- bragging rights
- Bragg scattering
- braggy
- Bragi
- Brahe
- Brahma
- brahmachari
- brahmacharya
- Brahmajnana
- Brahmaloka
- Brahman
- Brahmana
- Brahmani
- Brahmanism
- Brahmaputra
- Brahmi
- Brahmin
- Brahminism
- Brahmins
- Brahminy kite
- Brahmo Samaj
- Brahms
- Brahms, Johannes
- Brahui
- braid
- braid bar
- braided
- braided channel
- braided stream
- braiding
- brail
- Brăila
- Braille
- Braillewriter
- Braillist
- Brailowsky
- brain
- brainbox
- brain candy
- braincase
- brain cell
