| Subject | English | French |
| nucl.phys. | self powered detector | collectron |
| radiat. | self-powered detector | collectron (for neutrons or γ-rays) |
| nucl.phys. | self-powered detector | collectron |
| radiat. | self-powered detector | détecteur autogénérateur (for neutrons or γ-rays, d'électrons) |
| earth.sc., tech. | self-powered neutron detector | collectron |
| earth.sc., tech. | self-powered neutrons detector | collectron |