| Acronym | Meaning |
| VCC-RIOS | Vibrational Close-coupled-rotational Infinite Order Sudden |
| HMMP | Hazardous Materials Management Plan |
| LSNMS | Laser Secondary Neutral Mass Spectroscopy |
| UKAS | United Kingdom Accreditation Service |
| LOSC | Law Of The Sea Convention |
| PZT | Piezoelectric Transducer |
| TNOA | Target Natural Orbital Approximation |
| MRLCC | Multireference Linearized Coupled Cluster |
| HMDE | Hanging Mercury Drop Electrode (in Electrochemistry) |
| GIWA | Global International Waters Assessment |