| Acronym | Meaning |
| DISC | Death-inducing Signaling Complex |
| EEAES | Electron-excited Auger Electron Spectroscopy |
| FSR | Free Spectral Range |
| NRRA | Nuclear Resonant Reaction Analysis |
| ISP | In-line Strip Production |
| MRCC | Multireference Coupled Cluster |
| RAS | Returned Activated Sludge |
| IRSL | IR Stimulated Luminescence |
| SME | Solid-metal Embrittlement |
| LCCD | Linear Coupled-cluster (method With) Double (excitations) |