| Subject | English | French |
| el. | external source | source extérieure |
| el. | external source | source externe |
| comp., MS | external source system | système source externe (A data repository, such as a data warehouse, data mart, or OLTP system, that is outside a specific deployment) |
| radio | interference from an external source | brouillage d'origine externe |
| transp. | locomotive powered from an external source of electricity | locomotive à source extérieure d'énergie |
| met. | rust from external source | rouille pérégrine |
| met. | rust from external source | rouille erratique |
| met. | rust from external source | rouille d'origine externe |