| Acronym | Meaning |
| LHP-RHF | Longuet-Higgins-Pople Restricted Hartree-Fock Method |
| NMJ | Neuromuscular Junction |
| ZCC | Zero Core Contribution (model For Photodetachment Calcns.) |
| LPL | Lipoprotein Lipase |
| OLSR | Ordinary Least Squares Regression |
| RCI | Restricted Configuration Interaction |
| CMI | Cell-mediated Immunity |
| NIWG | National Interagency Work Group |
| AFC | Automatic Frequency Control |
| NIMS | Negative Ion Mass Spectrometry |