| Acronym | Meaning |
| UFG | Ultrafine Grained |
| HMO | Hueckel Molecular Orbital |
| CDA | Copper Development Association |
| WEFA | Window Evolving Factor Analysis |
| GMO | Genetically Modified Organism |
| LUMO | Lowest Unoccupied Molecular Orbital |
| AAMOM | An Approximate Molecular Orbital Method |
| SMB | Simulated Moving Bed |
| RTMS | Room Temperature Molten Salt |
| POE | Point Of Entry |