| bitters | amargo |
| bittersweet | dulcamara |
| BitTornado | BitTornado |
| BitTorrent | BitTorrent |
| BitTorrent client | Comparação dos clientes de BitTorrent |
| bitumen | betume |
| bitumene | betume |
| bituminous | betuminoso |
| Bituminous peat | Turfa |
| Bituminous shale | Xisto betuminoso |
| Bitwise operation | Lógica binária |
| Bitz | Bitz |
| Biu-Mandara languages | Línguas biu-mandara |
| bivalent | ambivalente |
| bivalve | bivalve |
| Bivalves | Bivalvia |
| Bivalvia | Bivalvia |
| Bivio | Bivio |
| bivouac | acampar |
| biweekly | quinzenal |
| Bixaceae | Bixaceae |
| Bixente Lizarazu | Bixente Lizarazu |
| Biya River | Bía |
| Biyomon | Piyomon |
| bizarre | incomum |
| Bière | Bière |
| Bié | Bié |
| Biłgoraj | Biłgoraj |
| BJ | BJ |
| Bjarkøy | Bjarkøy |
| Bjarne Stroustrup | Bjarne Stroustrup |
| Bjelovar | Bjelovar |
| Bjergsted | Bjergsted |
| Bjerkreim | Bjerkreim |
| Bjerringbro municipality | Bjerringbro |
| Bjorn Borg | Björn Borg |
| Bjugn | Bjugn |
| Bjurholm Municipality | Bjurholm |
| Bjuv Municipality | Bjuv |
| Björk | Björk |
| Björk discography | Discografia de Björk |
| Björn Borg | Björn Borg |
| Björn Ulvaeus | Björn Ulvaeus |
| Bjørnstjerne Bjørnson | Bjørnstjerne Bjørnson |
| Bjørnøya | Ilha do Urso |
| BK | BK |
| BK Skjold | BK Skjold |
| BL Lac object | objeto BL Lac |
| Blaabjerg | Blaabjerg |
| Blaarkop | Groningen |
| blabber | garganta |
| blabbering | balbuciante |
| blabbermouth | garganta |
| blabbertr | patacoada |
| Blabla | Tarentola mauritanica |
| black | escuro |
| black and blue | machucado |
| black art | magia negra |
| black as soot | negro como breu |
| Black bean aphid | Piolho-negro-da-fava |
| black bear | urso-negro |
| Black beetle | Blattaria |
| black belt | faixa-preta |
| black bloc | black bloc |
| Black body | Corpo negro |
| Black Bolt | Raio Negro |
| black box | caixa-preta |
| Black box testing | Testes caixa-preta |
| black boxter | caixa preta (avião) |
| black caiman | jacaré-açu |
| Black Canary | Canário Negro |
| Black Caracara | Gavião-de-anta |
| Black Celebration | Black Celebration |
| black coal | hulha |
| Black coat | Valador |
| black coffee | cafezinho |
| Black coral | Antipatharia |
| Black Crowned Crane | Grou-coroado |
| Black cumin | Nigella |
| black currant | groselha-preta |
| Black Dahlia | The Black Dahlia |
| Black death | Peste Negra |
| Black Dwarf Hornbill | Tockus hartlaubi |
| Black Eagle tank | Black Eagle |
| Black Elk | Black Elk |
| black eye | olho roxo |
| Black Eyed Peas | Black Eyed Peas |
| black fly | borrachudo |
| Black Forest | Floresta Negra |
| Black Forest gâteau | bolo floresta negra |
| black friar | dominicano |
| black grouse | galolira |
| Black Guards | Exército Insurreto Revolucionário da Ucrânia |
| Black hair | Cabelo preto |
| Black Hand | Mano Negra |
| Black hat | Cracker |
| Black Hawk | Black Hawk |
| Black Hawk Down | Black Hawk Down |
| Black helicopter | Nova Ordem Mundial |
| black hole | buraco negro |
| Black hole information paradox | Paradoxo da informação em buracos negros |
| Black holes | Buraco negro |
| Black Holes and Revelations | Black Holes and Revelations |
| black humor | humor negro |
| black ice | camada de gelo |
| Black Kettle | Chaleira Preta |
| Black Kite | Milhafre-preto |
| black lead | grafitebico |
| Black Legend | Lenda Negra |
| Black Lemur | Eulemur macaco |
| Black Lion Tamarin | Mico-leão-preto |
| black magic | magia negra |
| black market | câmbio negro |
| Black Mask | Máscara Negra |
| Black Mesa East | Black Mesa East |
| Black Mesa Research Facility | Black Mesa Research Facility |
| black metal | black metal |
| black mulberry | amora-preta |
| Black Orpheus | Orfeu Negro |
| black out | apagar |
| Black Panther Party | Panteras Negras |
| black pepper | pimenta-do-reino |
| Black plague | Peste negra |
| black pudding | morcela |
| black radish | rábano negro |
