| Acronym | Meaning |
| UKAEA | United Kingdom Atomic Energy Authority |
| ARMAX | Autoregressive Moving Average Exogenous |
| PIXE | Particle Induced X-ray Emission |
| COPM | Carter Ozone Per Mile |
| IMPPT | Intermolecular Moeller-Plesset Perturbation Theory |
| ZCCSD | Z-vector Coupled Cluster (with) Single (and) Double Excitation |
| TST-CEQ | Transition State Theory-collinear Exact Quantum (method For Reactive Collisions) |
| APES | Atomic Plasma Emission Spectroscopy |
| NRTL | Non-random Two Liquid |
| LAH | Lithium Aluminum Hydride |