| Acronym | Meaning |
| IMPT | Intermolecular Perturbation Theory |
| BONUS | Boiling Nuclear Superheat (reactor) |
| SCOPE | Scientific Committee On The Problems Of The Environment |
| PESA | Proton Elastic Scattering Anal. |
| GMAD | Geometric Mean Aerodynamic Diameter |
| PAIR | Patent Application Information Retrieval System |
| HANS | Heavy Aromatic Naphtha Solvent |
| DPAV | Differential Pulse Adsorption Voltammetry |
| PAK | P21-Activated Kinase |
| AFF | Aberration Free Focus |