| Subject | English | French |
| anal.chem. | outer zone | zone de diffusion (of a flame) |
| anal.chem. | outer zone | zone externe (of a flame) |
| anal.chem. | outer zone | panache (of a flame) |
| anal.chem. | outer zone | cône externe (of a flame) |
| anal.chem. | outer zone | zone de combustion secondaire (of a flame) |
| construct. | outer zone of settlement | périphérie d'une localité rurale |