| Acronym | Meaning |
| TQCM | Temperature-controlled Quartz Crystal Microbalance |
| CIM | Ceramic Injection Molding |
| FAGS | Federation Of Astronomical And Geophysical Services |
| RLS | Recursive Least Squares (algorithm) |
| PCI | Percutaneous Coronary Intervention |
| FEP | Hexafluoropropylene-tetrafluoroethylene Copolymer |
| NDT | Nondestructive Testing |
| NEDS | National Emission Data System (USEPA) |
| VSTEP | Vertical-to-surface Transmission Electrophotonic Device |
| DAFS | Diffraction Anomalous Fine Structure |