| Acronym | Meaning |
| APU | Acid Purification Unit (acid Recovery System) |
| ACE | Acidity In Cloud Experiment |
| UA | United Atom |
| UF | Uncertainty Factor (in Oral RfD) |
| CLEIA | Chemiluminescent Enzyme Immunoassay |
| GVFF | Generalized Valence Force Field |
| LAMP | Lysosome-Associated Membrane Protein |
| IUPAC | International Union Of Pure And Applied Chemistry |
| NES | Nuclear Export Signal |
| MLCC | Multilayer Ceramic Chip Capacitors |