| Acronym | Meaning |
| MO | Molecular Orbital |
| CPVC | Chlorinated Polyvinyl Chloride |
| OETP | Orbiter Electron Temp. Probe |
| TAN | Total Acid Number |
| SCPHP | Self-consistent Particle-hole Propagator |
| PMN | Polymorphonuclear Leukocyte |
| TDC | Top Dead Center |
| BIA | Biospecific Interaction Analysis |
| QVE | Quasivibrational Energy (formalism In Multiphoton Dissocn.) |
| CIOS | Corrected Infinite-order Sudden (approxn In Mol. Collisions) |