| Acronym | Meaning |
| SPV | Surface Photovoltage |
| NSCEP | National Service Center For Environmental Publications |
| AATSR | Advanced Along-Track Scanning Radiometer |
| T-GAS | Trace Gas Accounting System |
| CGTB | Cellular And Genetic Toxicology Branch |
| IRR | Internal Rate Of Return |
| MDC | Minimum Detectable Concentration |
| WNV | West Nile Virus |
| TPMB | Two-potential-modified Born (approxn. In Inelastic Collisions) |
| HOHAHA | Homonuclear Hartman-Hahn Spectroscopy |