| bibliófilo | knjižni molj |
| Biblos | Biblos |
| Bicapa lipídica | Lipidna dvojna plast |
| bichi | gol |
| bicho | kurec |
| Bichón maltés | Maltežan |
| bici | kolo |
| bicicleta | kolo |
| Bicicleta de montaña | Gorsko kolesarstvo |
| Bicicleta reclinada | Ležeče kolo |
| bicicletas | kolo |
| Biedermeier | Bidermajer |
| Bielorrusia | Belorusija |
| bielorruso | beloruščina |
| Bielorrusos | Belorusi |
| Bielorusia | Belorusija |
| bien | dobro |
| bien doméstico | gospodinjski predmeti |
| bien duradero | obstojno blago |
| bien no duradero | neobstojno blago |
| Bienaventurada Virgen María | Devica Marija |
| bienes y servicios | blago in storitve |
| bienestar social | socialno skrbstvo |
| bienvenida | dobrodošlica |
| bienvenido | dobrodošel |
| bienvenidos | dobrodošel! |
| Biestable | Bistabilni multivibrator |
| bifaz | pestnják |
| bifenilos halogenados | halogeniran bifenil |
| bifenilos polibromados | polibromirani bifenil |
| bifenilos policlorados | poliklorirani bifenil |
| Bifurcación de un río | Bifurkacija |
| Big Bang | Prapok |
| Big Brother | Big Brother |
| Big Mac | Big Mac |
| bigote | brki |
| Bijelo Dugme | Bijelo dugme |
| Bikini | Bikini |
| Bilbo Bolsón | Bilbo Bisagin |
| Bilirrubina | Bilirubin |
| bilis | žolč |
| Bill Clinton | Bill Clinton |
| Bill Gates | Bill Gates |
| Bill Kaulitz | Tom Kaulitz |
| Bill Weasley | Bill Weasley |
| billar | snooker |
| billete | bankovec |
| Billete bancario | Bankovec |
| Billete de ida y vuelta | Povratna vozovnica |
| billetera | denarnica |
| Billy Boyd | Billy Boyd |
| Billy Bragg | William Henry Bragg |
| Billy Idol | Billy Idol |
| Billy Mills | Billy Mills |
| binio | bit |
| binoculares | daljnogled |
| binomio | binom |
| bioacumulación | bioakumulacija |
| biocarburante | biogorivo |
| biocarburantes | biogorivo |
| biocenosis | biocenoza |
| biocida | biocid |
| biocidas | biocid |
| bioclimatología | bioklimatologija |
| biodegradabilidad | biorazgradljivost |
| biodegradación | biorazgradnja |
| biodiversidad | biotska raznovrstnost |
