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| Subject | English | Spanish |
| gen. | low energy house | casa de bajo consumo energético |
| environ., energ.ind., el. | low-energy house | casa de bajo consumo de energía |
| environ. | Lower House | Cámara Baja |
| environ. | Lower House The body of a bicameral legislature composed of representatives elected by the general populace and organized into electorates or districts, each comprising an equal number of citizens | Cámara Baja |
| gen. | lower house | Cámara de Diputados |
| UN, afghan. | lower house of parliament | cámara baja del Parlamento |
| gen. | Lower House of the States General | Cámara popular |
| gen. | Lower House of the States General | Segunda Cámara |
| chem., el. | low-temperature retort house | planta de destilación a baja temperatura |