| Acronym | Meaning |
| RTPM | Real-time Polarization Modulation |
| RB | Renormalized Band (method In Electronic-structure Calcns.) |
| NMAM | NIOSH Manual Of Analytical Methods |
| MBR | Membrane Bioreactor |
| NURE | National Uranium And Resource Evaluation |
| EOPP | Earth Observation Preparatory Program |
| CBXT | Community-Based Clinical Trial |
| PC-BOSS | Particle Concentrator-Brigham Young University Organic Sampling System |
| NLC | Next Linear Collider |
| PARISS | Prism And Reflector Imaging Spectroscopy System |