| Acronym | Meaning |
| CEDE | Committed Effective Dose Equivalent |
| ESD | Electron-stimulated Desorption |
| LERS | Low-energy Recoil Scattering |
| IAH | International Association Hydrogeologists |
| CIC | Configuration Interaction (in The) Continuum (theory In Calcns. Of Atomic Resonances) |
| TOM | Transition Operator Method |
| ELLSA | Enzyme Linked Ligand Sorbent Assay |
| TBU | Tertiary Building Unit |
| EGW | Electrogas Welding |
| PAD | Pulsed Amperometric Detection |