| Acronym | Meaning |
| SBD | Schottky-barrier Diode |
| TD-CAC | Time Dependent-coupled Arrangement Channel (method For Calcns. On Reactive And Dissociative Collisions) |
| IWW | Industrial Wastewater |
| RAS | Reflection-absorption Spectroscopy |
| POGO | Polar Orbiting Geophysical Observatory |
| CVSEH | Correlated Valence Shell Effective Hamiltonian |
| GERD | Gastroesophageal Reflux Disease |
| RCIOSA | Reactive Classical-infinite-order-sudden Approxn. |
| CMA | Chemical Manufacturers Association |
| HFG | Hartree-Fock-Gopinathan (quantum Theory Or Wave Function) |