| Acronym | Meaning |
| SSSD | Small-scale, Short-duration |
| AUSB | Aerobic Upflow Sludge Blanket |
| CTMP | Chemico-thermomechanical Pulping |
| ROBO | Rotating Bond Order (model In Potential Surface Calcns.) |
| KPNO | Kitt Peak National Observatory |
| DWPF | Defense Waste Processing Facility |
| BRM | Band Random Matrix (model For Quantum Localization In Conservative Systems) |
| BPJ | Best Professional Judgement |
| MNT | Molecular Nanotechnology |
| ISOF | Insoluble Org. Fraction (e.g. |