| base | base |
| Base antarctique Casey | Casey Station |
| Base antarctique Concordia | Concordia Station |
| Base antarctique Esperanza | Esperanza Base |
| Base antarctique King Sejong | King Sejong Station |
| Base antarctique Mawson | Mawson Station |
| Base antarctique McMurdo | McMurdo Station |
| Base antarctique Mirny | Mirny Station |
| Base antarctique Novolazarevskaya | Novolazarevskaya Station |
| Base antarctique Orcadas | Orcadas Base |
| Base antarctique Princesse Elisabeth | Princess Elisabeth Base |
| Base antarctique Rothera | Rothera Research Station |
| Base antarctique Scott | Scott Base |
| Base antarctique Vostok | Vostok Station |
| Base antarctique Wilkes | Wilkes Station |
| Base arrière | Foot |
| Base azotée | Nitrogen-containing base |
| base aérienne | air base |
| Base aérienne de Bagram | Bagram Air Base |
| Base aérienne de Lajes | Lajes Field |
| Base Class Library | Base Class Library |
| base de données | data base |
| Base de données hiérarchique | Hierarchical model |
| Base de données orientée objet | Object database |
| base de données relationnelle | relational database |
| Base de données réseau | Network model |
| Base de Gröbner | Gröbner basis |
| Base de Hilbert | Orthonormal basis |
| base de lancement | spaceport |
| Base de Lewis | Lewis base |
| base de loisirs | leisure centre |
| Base de registre | Windows Registry |
| Base Echo | Echo Base |
| Base jump | BASE jumping |
| base légale | legal basis |
| Base navale | Naval base |
| Base navale de Norfolk | Naval Station Norfolk |
| Base orthonormale | Orthonormality |
| Base Presidente Eduardo Frei Montalva | Eduardo Frei Montalva Station |
| Base solide | Good grounding |
| Base XML native | XML database |
| base-ball | baseball |
| baseball | baseball |
| Baseball aux Jeux Olympiques | Baseball at the Summer Olympics |
| BASEketball | BASEketball |
