| Acronym | Meaning |
| RAPJ | Rotating Arc Plasma Jet |
| STORET | Storage And Retrieval Of U.S. Waterways Parametric Data |
| TMAFM | Tapping Mode Atomic Force Microscopy |
| GHRS | Goddard High Resolution Spectrograph |
| ATMS | Assumption-based Truth Maintenance System |
| TTVD | Trap-to-trap Vacuum Distillation |
| OMPW | Orthogonalized Modulated Plane Wave (wave Function) |
| HSDI | High-speed Direct Injection (of Diesel Engines) |
| MRB | Multi-stage Reverse-flow Bioreactor |
| BCS | Bardeen-Cooper-Schrieffer |