| Acronym | Meaning |
| LEACH | Leaching Evaluation Of Agricultural Chemicals |
| MSD | Mean Square Displacement |
| QAPP | Quality Assurance Project Plan |
| ACCP | Atlantic Climate Change Program (of NOAA |
| APIOS | Acid Precipitation In Ontario Study |
| FSGF | FREEON Symmetric Group Formulation (of Hartree-Fock Theory) |
| TSH | Tensor Surface Harmonic (method In Bonding Of Metal Clusters) |
| MIRC | Michael Initiated Ring Closure |
| EDS | Energy-dispersive Spectrometry |
| SAMSON | Severe Accident Management System Online Network |