| Subject | English | Spanish |
| commun., IT | Open Test Environment | entorno abierto para pruebas |
| commun. | test environment | ambiente de prueba |
| commun. | test environment | entorno de las pruebas |
| comp., MS | test environment | entorno de prueba (An environment that corresponds as closely as possible to the production environment and within which system and user acceptance tests can be carried out) |
| industr. | test for resistance to the environment | ensayo de resistencia al medio ambiente |
| transp., tech., law | test of resistance to the environment | ensayo de resistencia al medio |
| transp., tech., law | test on resistance to attack from environment | ensayo de resistencia al medio |