| Acronym | Meaning |
| ADA | N-(2-acetamido) Iminodiacetic Acid |
| MULAP | Mulliken Approximation |
| PRA | Probabilistic Risk Assessment |
| DIBAH | Diisobutylaluminum Hydride |
| CDHS | California Department Of Health Services |
| RATM | Renormalized Average T-matrix (for D.-of-states Calcns.) |
| ICMR | Indian Council Of Medical Research |
| HEIWIP | Heterojunction Interfacial Workfunction Internal Photoemission |
| FPLMTO | Full-potential Linearized Muffin-tin Orbital |
| OCCSD | Open-shell Coupled-cluster (with) Single (and) Double (excitations) |