| Acronym | Meaning |
| OSBG | Optimized Support For Biological Growth |
| SRIM | Selected Research In Microfiche |
| RIOSA | Rotational Infinite Order Sudden Approxn. |
| RCCSD | (partially) Restricted CCSD |
| WWT | Wastewater Treatment |
| MRO | Medium Range Order |
| MMR | Magnetometric Restivity (method For Subsurface Characterization) |
| RKI | Rotary Kiln Incinerator |
| DIB | Diffuse Interstellar Band |
| IMPACT | Integrated Model Of Plumes And Atmosphere In Complex Terrain |