| Acronym | Meaning |
| TF/SC | Trickling Filter/Solids Contact Process (for Wastewater Treatment) |
| LSND | Liquid Scintillator Neutrino Detector |
| STIS | Space Telescope Imaging Spectrograph |
| IMA | International Mineralogical Association |
| DLEED | Diffuse Low-energy Electron Diffraction |
| RERS | Resonance-enhanced Raman Scattering |
| MSBR | Molten Salt Breeder Reactor |
| CID | Configuration Interaction With Double Substitution |
| GBM | Glioblastoma Multiforme |
| SCAB | South Coast Air Basin |