| Acronym | Meaning |
| ACCDPPA | Approx. Coupled Cluster With Double Excitations Polarization Propagator Approxn. |
| PRECP | Processing Emissions By Cloud And Precipitation (DOE Program) |
| BATNEEC | Best Available Technology Not Entailing Excessive Cost |
| CMLS | Chemical Movement In Layered Soils |
| OCS | Outer Continental Shelf |
| HEU | Highly Enriched Uranium |
| SPM | Suspended Particulate Matter |
| SSCPA | Single-site Coherent-potential Approximation |
| SVG | Scalable Vector Graphics |
| LOPAP | Library Of Pharmacologically Active Peptides |