| Acronym | Meaning |
| OBK2 | Second-order Oppenheimer-Brinkman-Kramers |
| CBEA | Constrained Binary Encounter Approximation |
| PPM | Path Probability Method |
| XEAPS | X-ray Excited Electron Appearance Potential Spectroscopy |
| NTTAA | National Technology Transfer And Advancement Act |
| GFIS | Gas Field Ion Source |
| CCSA | Const. Current Stripping Anal. |
| WEDM | Wire Electric Discharge Machining |
| DAS | Direct Absorption Spectroscopy |
| NACA | National Agricultural Chemicals Association |