| Acronym | Meaning |
| UNIRAM | Software For Reliability |
| LHM | Longuet-Higgins-Murrell Approximation |
| SPOS | Single-particle Optical Sensing |
| TARFOX | Tropospheric Aerosol Radiative Forcing Observation Experiment |
| PSPC | Position Sensitive Proportional Counter |
| SMO | Sample Management Office (US EPA) |
| CSCF | Canonical Self-consistent Field |
| WSDA | Weighted Spin-density Approxn. |
| FATE | Functional Attributes In Terrestrial Ecosystems |
| SMILES | Superconducting Sub-Millimeter-wave Limb Emission Sounder |