| Acronym | Meaning |
| PCT | Patent Cooperation Treaty |
| ILL | Interlibrary Loan |
| IDMA | Isotopic Dilution And Mass Analysis |
| EMAIL | Electronic Mail |
| CDW-EIS | Continuum Distorted Wave-eikonal Initial State (in Collisions) |
| EAS | Extensive Air Shower |
| RCP | Rapid Crack Propagation |
| FTM | Fault Tree Model |
| HMQC | Heteronuclear Multiple-quantum Coherence |
| LNB | Low Nitrogen Oxide Burner |