| bas prix | cheapness |
| bas quartier | slum |
| Bas à varices | Elastic stockings |
| bas âge | babyhood |
| Bas-allemand | Low German |
| bas-bleu | bluestocking |
| Bas-Canada | Lower Canada |
| Bas-Congo | Bas-Congo |
| bas-côté | shoulder |
| bas-fonds | shallows |
| Bas-fonds de la société | Dregs of society |
| Bas-fonds de la ville | Seediest parts of the town |
| Bas-francique | Low Franconian languages |
| Bas-Hauenstein | Unterer Hauenstein Pass |
| Bas-Intyamon | Bas-Intyamon |
| Bas-pays | Great Hungarian Plain |
| bas-relief | bas-relief |
| Bas-Rhin | Bas-Rhin |
| Bas-Saint-Laurent | Bas-Saint-Laurent |
| Bas-saxon | Low German |
| Bas-Uele | Bas-Uele Province |
| Basaburua | Basaburua |
| Basadingen-Schlattingen | Basadingen-Schlattingen |
| basalte | basalt |
| basaltique | basaltic |
| Basanite | Basanite |
| basané | bronzed |
| Basar | Market |
| Basarab Ier de Valachie | Basarab I of Wallachia |
| Basarab III Laiotă cel Bătrân | Basarab Laiotă cel Bătrân |
| Basarab IV Ţepeluş cel Tânăr | Basarab Ţepeluş cel Tânăr |
| Basava | Basava |
| Bascapè | Bascapè |
| bascule | flip-flop |
| basculer | turn over |
| 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 |
