| Subject | English | French |
| astr. | angular dispersion | dispersion angulaire |
| anal.chem. | angular dispersion | dispersion angulaire (of a prism or diffraction grating) |
| radiat. | angular dispersion | dispersion angulaire (of photons) |
| anal.chem. | angular dispersion of an analysing crystal | dispersion angulaire d’un cristal analyseur |