| Subject | English | Russian |
| gen. | external study | экстернат (Johnny Bravo) |
| gen. | external study | обучение экстерном (Johnny Bravo) |
| gen. | external study mode | обучение экстерном (Johnny Bravo) |
| ed. | external study mode | заочная форма обучения (I want to change from studying a unit in external study mode to internal study mode (or vice versa) – Murdoch University Tamerlane) |
| gen. | external study mode | экстернат (Johnny Bravo) |
| construct. | Study the circuit for the external power supply | Изучите схему внешнего электроснабжения |