| Acronym | Meaning |
| ACP | Alternating Current Polarography |
| EIIP | Emission Inventory Improvement Program |
| HREELS | High-resolution Electron Energy-loss Spectroscopy |
| CAIBE | Chemically Assisted Ion Beam Etching |
| ERIIS | Environmental Risk Information And Imaging Services |
| MEP | Multiple Extraction Procedure |
| GDP | Gross Domestic Product |
| LCGO | Linear Combination Of Gaussian Orbitals |
| MOAG | MINDO Optimized Adjusted Geometries |
| SE | Symmetric Eikonal (approxn. In Calcns. On Ion Scattering) |