| Acronym | Meaning |
| EPQU | IFCC Expert Panel On Quantities And Units |
| DOP | Dissolved Organic Phosphorus |
| SGCR | Subcommittee Global Change Research |
| PRP | Potentially Responsible Party (Superfund) |
| EPER | European Pollutant Emission Register |
| IGBP | International Geosphere Biosphere Programme |
| GIPQ | Gage Invariant Periodic Quantization |
| GECSC | Generalized Exponential Cosine Screened Coulomb (potential) |
| GFF | Green Function Formalism |
| QLDA | Quasilocal Density Functional Approxn. |