| Acronym | Meaning |
| QSI | Quantum Statistical Interference |
| BIBRA | British Industrial Biological Research Association |
| VDI | Verein Deutscher Ingenieure (German Engineers Society) |
| DSDP | Deep Sea Drilling Project |
| MBESMO | Maximum Bond Energy Symmetry MO |
| IMPT | Intermolecular Perturbation Theory |
| BID | Background Information Document |
| AMDI | Atom Monopole-dipole Interaction |
| 7-ADCA | 7-aminodesacetoxycephalosporanic Acid |
| GDP | Gross Domestic Product |