| Acronym | Meaning |
| ETFSI | Extended Thomas-Fermi Strutinski Integral |
| CANDA | Computer Aided New Drug Application |
| PUCHF | Perturbed Uncoupled Hartree-Fock |
| CHA | Concept Hazard Analysis |
| AFOSR | Air Force Office Of Scientific Research (USA) |
| PPI | Prepulse Inhibition |
| QMD | Quantum Molecular Dynamics (for Calcns. On The Dynamics Of A Quantum Particle Coupled To A Classical Many-body System) |
| EGU | European Geosciences Union |
| DOC | Dissolved Organic Carbon |
| BEW | Base (or Biological) Equivalent Weight |