| Subject | Spanish | English |
| environ. | reintroducción de especie animal | animal species reintroduction |
| environ. | reintroducción de especie animal | animal species reintroduction Attempts made to prevent the extinction of threatened species and populations by reintroducing them in their natural habitat. The reintroduction of species in a region requires a preliminary study to establish the reasons of their disappearance and the modifications that might have occurred in the biotopes |
| environ. | reintroducción de especie vegetal | plant species reintroduction |
| environ. | reintroducción de especie vegetal | plant species reintroduction Reintroducing wild plant species to their natural habitat. The reintroduction of species in a region requires a preliminary study to establish the reasons of their disappearance and the modifications that might have occurred in the biotopes |
| environ. | reintroducción de especies | species reintroduction |
| environ. | reintroducción de especies | species reintroduction Reintroducing wild animal and plant species to their natural habitat. The reintroduction of species in a region requires a preliminary study to establish the reasons of their disappearance and the modifications that might have occurred in the biotopes |
| cust. | reintroducción de las mercancías | return of goods |
| environ. | reintroducción de residuos | return of waste |
| fin. | régimen de reintroducciones | return arrangements |