| Acronym | Meaning |
| RSAC | Remote Sensing Applications Center (US Forest Service) |
| CEPM | Coupled Electron Pair Method |
| BO | Brueckner Orbital |
| CEPOD | Catalyzed Electrochemical Plutonium Oxide Dissolution |
| DSIP | Delta-sleep Inducing Peptide |
| MIKE | Mass-analyzed Ion Kinetic Energy (spectrometry) |
| TSH | Thyroid-stimulating Hormone |
| LNO | Localized Natural Spin Orbital |
| SCEMR1 | Soil Chemical Exchange And Migration Of Radionuclides Model |
| CCA | Canonical Correspondence Analysis |