| Acronym | Meaning |
| PMC | Permanently Manned Capability (of Space Station) |
| MQDT | Multichannel Quantum Defect Theory |
| DRI | Direct Reduced Iron |
| ASAE | American Society Of Agricultural Engineers |
| BICFET | Bipolar Inversion Channel Field-effect Transistor |
| CXAES | Continuous X-ray-induced Auger Electron Spectroscopy |
| PZT | Piezoelectric Transducer |
| FAMA | Fluorescent Antibody Membrane Antigen |
| SPDT | Single-pole Double-throw (switch) |
| RASA | Regional Aquifer Systems Analysis (program Of USGS) |