| Acronym | Meaning |
| ACCAD | Advisory Committee On Climate Applications And Data |
| DIDMOAD | Diabetes Insipidus |
| ZDO | Zero Differential Overlap |
| BAL | Bronchoalveolar Lavage |
| VZV | Varicella-zoster Virus |
| CLND | Chemiluminescent Nitrogen Detection |
| FRCA | Fire Retardant Chemicals Association |
| ROBK1 | Relativistic First-order Oppenheimer-Brinkman-Kramers |
| COSPAR | Committee On Space Research |
| NRA | National Rivers Authority (UK) |