| Acronym | Meaning |
| ARM | Agricultural Runoff Model |
| HHG | High-order Harmonic Generation |
| IACS | International Annealed Copper Standard |
| CAT | Computer-aided Tomography |
| CIWEM | Chartered Institution Of Water And Environmental Management |
| DAP | Distributed Array Processor |
| SWAG | Simulated Waste Access To Groundwater |
| GPT | Generalized Pseudopotential Theory |
| ENAC | Energetic Neutral Atom Camera |
| TCA | Traveling-cluster Approximation (a Generalization Of CPA For Electronic-structure Of Alloys) |