| Acronym | Meaning |
| PBDE | Polybrominated Diphenyl Ether |
| TPSR | Temp.-programmed Surface Reaction |
| CEDAR | Coupling, Energetics, And Dynamics Of Atm. Regions [project] |
| PWS | Public Water System |
| MPCA | Multiway Principal Component Analysis |
| REM | Reservoir Eutrophication Model |
| NCTN | NASA Commercial Technology Network |
| HOCO | Highest Occupied Crystal Orbital |
| PERT | Program Evaluation And Review Technique |
| PTGF | Perturbative-type Green Function |