| Acronym | Meaning |
| CAST | Cyclic Activated Sludge Technol. |
| NPSSMO | Nonpaired Spin Spatial Molecular Orbital |
| VGP | Virtual Geomagnetic Pole |
| FLISA | Fluorescence-linked Immunosorbent Assay |
| SALSA | Scoring Algorithm For Spectral Analysis |
| ACR | Absolute Cryogenic Radiometer |
| RSV | Rous Sarcoma Virus |
| QRM | Quadratic Rubinow Method (variational Method For Scattering) |
| IMFP | Inelastic Mean Free Paths |
| RLA | Resonant Laser Ablation |