| Acronym | Meaning |
| (SC)2(CI+PT2) | Self-consistent Size-consistent (CI+second-order Perturbation) |
| DAEM | Distributed Activation Energy Model |
| ECETOC | European Chemical Industry |
| AODC | Australian Oceanographic Data Center |
| MSAE | Multistate Atomic Expansion (method For At. Collisions) |
| GMP | Generalized Moeller-Plesset (perturbation Theory) |
| NEBLA | Non-equilibrium Boundary Layer Analysis |
| PLT | Lead Lanthanum Titanate |
| NPA | Natural Population Analysis |
| ISCRF | Inhomogeneous Self-consistent Reaction Field Theory |