| Acronym | Meaning |
| HELP | Heuristic Evolving Latent Projection |
| CAW | Carbon Arc Welding |
| CCM | Coupled-cluster Method (for Energy Level Calculations) |
| SMMO | Strictly Monomer Molecular Orbital |
| JAIE | Japan Association Of Ion Exchange |
| CRE | Carbon Removal Efficiency |
| AED | Atomic Emission Detector |
| ELLAP | Environmental Lead Laboratory Accreditation Program |
| NESHAP | National Emission Standards For Hazardous Air Pollutants |
| PDRM | Post-depositional Remanent Magnetization |