| Acronym | Meaning |
| NASP | National Aerospace Plane |
| CMBH | Capped Mesa Buried Heterostructure |
| DRS | Diffuse Reflectance Spectroscopy |
| ACP | Automatic Correlation Partitioning |
| SP | Surface Potential |
| RRS | Resonance Rayleigh Scattering |
| SCRF | Self-consistent Reaction Field |
| EMAIL | Electronic Mail |
| EI | Emissions Inventory |
| TPN | Total Parenteral Nutrition |