| Acronym | Meaning |
| BPR | Bromopyrogallol Red |
| APRR | Adiabatic Passage Rotational-resonance |
| SPOT | Satellite Pour L'Observation De La Terre |
| IDA | Isotope Dilution Analysis |
| BWPT | Brillouin-Wigner Perturbation Theory |
| HQE | Hemiquantal Equations |
| VSD | Virtually Safe Dose |
| EORCU | European Ozone Research Coordinating Unit |
| RER | Rough Endoplasmic Reticulum |
| PTMG | Polytetramethylene Glycol |