| Acronym | Meaning |
| TCA | Total Constituent Analysis |
| CP | Coupled Pair (many-electron Theory) |
| CFA | Component Failure Analysis |
| AWM | Average Wave Function Method (in Calcns. On Scattering) |
| ADH | Alcohol Dehydrogenase (reg: 9031-72-5) |
| GTF | Gaussian-type (wave) Function |
| DBE | Distorted-wave Born Exchange |
| DPA | Destructive Physical Analysis |
| OMO | Orthogonalized Magnetic Orbital |
| ECCI | Electron Capture Chemical Ionization |