| Subject | English | French |
| earth.sc. | N unit | unité n |
| nucl.phys., unit.meas. | n unit | unité (an inofficial unit of fast neutron dose, measured by a 100 r Victoreen ionization chamber) |
| nucl.phys., unit.meas. | N unit | unité N (an unofficial unit of fast neutron dose, measured by a 25 r Victoreen ionization chamber) |
| earth.sc. | n unit | unité n |
| lab.law., tech., el. | n unit | unité N |
| earth.sc. | N unit | unité N |
| radio | N-unit | unité N |
| commun., IT | n-unit code | code à n éléments |
| commun., IT | n-unit code | code à n moments |
| telegr. | n-unit code alphabet | alphabet d'un code à n moments |
| commun., IT | N-unit of refractivity | unité N de coïndice de réfraction |
| med. | Rehabilitation Unit of the U.N. Secretariat | --Service de la réadaptation des personnes physiquement diminuées du Secrétariat des N.U. |
| nucl.phys., unit.meas. | S-N unit | sabouraud-noiré (for X-rays) |
| nucl.phys., unit.meas. | S-N unit | unité S-N (for X-rays) |
| nucl.phys., unit.meas. | S-N unit | unité Sabouraud-Noiré (for X-rays) |
| earth.sc. | S-N unit | unité S-N |
| earth.sc. | S-N unit | sabouraud-noiré |