| Acronym | Meaning |
| GINC | Global Information Network On Chemicals |
| NF-E1 | Nuclear Factor Erythroid 1 |
| AB | Arc Brazing |
| NEVE | Nonempirical Valence Electron Method |
| SAIM | Scaled Atoms-in-molecules |
| PNA | Paraffins, Naphthenes, And Aromatics (in Petroleum Analysis) |
| CAA | Computer Aided Analysis |
| CNO | Constrained Nonorthogonal Orbital (algorithm) |
| PEIA | Programmatic Environmental Impact Analysis |
| FLDA | Fuzzy Linear Discriminant Analysis |