| Acronym | Meaning |
| LDOS | Local Density Of States |
| SNIFTIRS | Subtractively Normalized Interfacial Fourier Transform IR Spectroscopy |
| BICMOS | Bipolar Complementary Metal Oxide Semiconductor |
| HERL/MIS | Health Effects Research Laboratory Management Information System |
| HETE | Hydroxyeicosatetraenoic Acid |
| LTP | Long-term Potentiation |
| LAPIS | Linden Atmosphere/Phytosphere Interaction Study |
| AKD | Alkyl Ketene Dimer |
| TSP | Total Suspended Particles |
| NGL | Natural Gas Liquid (usually Ethane Or Propane) |