| Acronym | Meaning |
 | RRPT | Registered Radiation Protection Technologist |
 | TELD | Transferred-electron Logic Device |
 | CCRM | Coupled-channel Reactance Matrix (in Atom Surface Scattering) |
 | ERM | Electron Redistribution Model |
 | RACM | Regional Atm. Chem. Mechanism |
 | ASA | At. Sphere Approxn. |
 | NIRS | Neutral Impact Radiation Spectroscopy |
 | MDBK | Madin-Darby Bovine Kidney |
 | SOCMI | Synthetic Organic Chemical Manufacturing Industry |
 | NIHHS | Notification Of Installations Handling Hazardous Substances Regulations (UK) |