| Acronym | Meaning |
| PSIT | Plasma Source Ion Trap |
| APO | Aq.-phase Oxidn. |
| VCSEL | Vertical Cavity Surface Emitting Laser |
| CN | Cellulose Nitrate |
| ICARUS | Imaging Cosmic And Rare Underground Signal |
| CEPA | Correlated Electron Pair Approxn. |
| VOA | Volatile Organic Aromatic Compounds |
| GCS | Geo-Common Subsystem (subsystem Of AIRS) |
| ACC | American College Of Cardiology |
| I-TE | International Toxicity Equiv. |