| basculla | weighbridge |
| base | basic |
| base aerea | air base |
| Base aerea di Adana | Incirlik Air Base |
| Base aerea di Aviano | Aviano Air Base |
| Base aerea di Bagram | Bagram Air Base |
| Base aerea Lodejnoe Pole | Lodeynoye Pole |
| Base aerea Thule | Thule Air Base |
| Base ammiraglio Brown | Almirante Brown Antarctic Base |
| Base Andrews | Andrews Air Force Base |
| Base azotata | Nitrogen-containing base |
| base commerciale | trading post |
| base di dati | database |
| base di dati relazionale | relational database |
| Base di Gröbner | Gröbner basis |
| Base di Lewis | Lewis base |
| Base di Schauder | Schauder basis |
| Base Echo | Echo Base |
| Base Esperanza | Esperanza Base |
| Base jumping | BASE jumping |
| base legale | legal basis |
| base logica | rationale |
| Base ortonormale | Orthonormal basis |
| Base presidente Eduardo Frei Montalva | Eduardo Frei Montalva Station |
| Base scientifica Sejong | King Sejong Station |
| baseball | baseball |
| Baseball Hall of Fame | National Baseball Hall of Fame and Museum |
| Basello | Prime cut of beef |
| Basenji | Basenji |
| Basento | Basento |
| Basetta millefori | Stripboard |
| basette | sideburns |
| Bash | Bash |
| Bashar al-Asad | Bashar al-Assad |
| Bashir Gemayel | Bachir Gemayel |
| basi | grounding |
| Basi scientifiche in Antartide | List of research stations in Antarctica |
| Basia | Basia Trzetrzelewska |
| Basia Trzetrzelewska | Basia Trzetrzelewska |
| BASIC | BASIC |
| Basic Encoding Rules | Basic Encoding Rules |
| Basic English | Basic English |
| Basic Galattico | Languages in Star Wars |
| Basic Role-Playing | Basic Role-Playing |
| basicamente | basically |
| basicità | basicity |
| basico | alkaline |
