| Acronym | Meaning |
 | CIRA | COSPAR International Reference Atmosphere |
| ALWR | Advanced Light Water Reactor |
| PPMA | Parts Per Million Atomic |
| PAIR | Patent Application Information Retrieval System |
| SAXRD | Small-angle X-ray Diffraction |
| APOMA | American Precision Optics Manufacturers Association |
| RVDT | Rotary Variable Differential Transformer |
| MTDSC | Modulated Temperature Differential Scanning Calorimetry |
| NSF | National Science Foundation |
| CAPTEX | Cross-Appalachian Tracer Experiment |
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