| Acronym | Meaning |
| REA | Reactive Arthritis |
| EIF | Electron Impact Fluorescence |
| DMCC | Dimethylcarbamyl Chloride |
| PRP | Prion Protein |
| RTT | Resonant Tunneling Transistor |
| ICOS | Inducible Co-stimulator |
| OMS | Octahedral Molecular Sieve |
| BLT | Bismuth Lanthanum Titanate |
| SUSYQM | Supersymmetric Quantum Mechanics |
| SCC | Self-consistent Collective Coordinate (in Reactive Collisions) |