| Acronym | Meaning |
| RAF | Reactivity Adjustment Factor |
| CNDO LHP | Complete Neglect Of Differential Overlap Longet-Higgins-Pople |
| TDLS | Tunable Diode Laser Spectrometry |
| BEKP | Backscattered Electron Kikuchi Pattern |
| HPA | Hybridization Protection Assay |
| FERMCO | Fernald Environmental Restoration Management Corporation |
| VDAC | Voltage-dependent Anion Channel |
| SCCSA | Self-consistent Central-site Approxn. (for D.-of-states) |
| LBD | Ligand Binding Domain |
| MOPA | Master Oscillator Power Amplifier |