| Acronym | Meaning |
| EELS | Electron Energy Loss Spectroscopy |
| ZCC | Zero Core Contribution (model For Photodetachment Calcns.) |
| (SC)2CI | Self-consistent Size-consistent CI |
| RMBPT | Relativistic Many-body Perturbation Theory |
| CDSI | Committee On The Dissemination Of Scientific Information |
| AAHIS | Advanced Airborne Hyperspectral Imaging System |
| ANOI | Advance Notice Of Intent |
| AO | Atomic Orbital |
| NCEA | National Center For Environmental Assessment |
| IEMP | Integrated Environmental Management Project |