| Acronym | Meaning |
| AMAD | Activity Median Aerodynamic Diameter |
| GOE | Gaussian Orthogonal Ensemble (of Random Matrixes In Quantum Chaoticity Study In At. And Nuclear Energy Levels) |
| SPASE | South Pole Air Shower Expt. |
| NMA | Nuclear Microanalysis |
| CAIBE | Chemically Assisted Ion Beam Etching |
| CBXT | Community-Based Clinical Trial |
| Y-STR | Y Chromosome Short Tandem Repeat |
| NBRF | National Biomedical Research Foundation |
| NASP | National Aerospace Plane |
| MAPW | Modified Augmented Plane Wave |