| Acronym | Meaning |
| NRBC | Nucleated Red Blood Cells |
| OHAO | Orthogonalized Hybrid Atomic Orbital |
| IDEA | Integrated Data For Enforcement Analysis |
| ISLSCP | International Satellite Land Surface Climatology Project |
| SO-LAPW | Spin-orbit (coupling) Linearized Augmented Plane Wave |
| CHM | Complete Hydatidiform Mole |
| LIT | Linear Ion Trap |
| FFP | Femtosecond Flash Photolysis |
| EDA | Emergency Declaration Area |
| HEEDS | Health And Environmental Effects Documents |