| Acronym | Meaning |
| IMPPT | Intermolecular Moeller-Plesset Perturbation Theory |
| IEMM | Incident Energy Modulation Method |
| MPR | Maximum Permissible Risk |
| CMP | Capacitively Coupled Microwave Plasma |
| BOSS | Brigham Young University Organic Sampling System |
| LGM | Last Glacial Maximum (most Recent Era Of Continental Glaciation; See Also PGP) |
| SEPAR | Surfaces Enhanced For Photolabile Attachment And Release |
| TNFSF | Tumor-necrosis Factor Superfamily |
| PCF | Pair Correlation Function |
| IPPP | Inner Projections (of The) Polarization Propagator (in Calcns. On Nuclear Spin Coupling) |