| Acronym | Meaning |
| SIAM | Society For Industrial And Applied Mathematics |
| PB | Particle Beam |
| IAP | Intracisternal A-particle |
| NPS | National Park Service (US) |
| FIRMR | Federal Information Resources Management Regulations |
| BFBR | Biological Fluidized Bed Reactor |
| SCP | Single-cell Protein |
| MCLT | Minority Carrier Lifetime |
| CFE | Colony-forming Efficiency |
| DBE | Distorted-wave Born Exchange |