| Acronym | Meaning |
| NPOESS | National Polar Orbiting Environmental Satellite System |
| PMDA | Pyromellitic Dianhydride |
| ACCD | Approximate Double Substitution Coupled Cluster Method |
| CEELS | Core Electron Energy Loss Spectroscopy |
| FMRI | Functional Magnetic Resonance Imaging |
| IAP | Immunosuppressive Acidic Protein |
| DDAB | Didodecyldimethylammonium Bromide |
| BGG | Bovine Gamma Globulin |
| HRT | Hydraulic Retention Time |
| SRB | Sulfate Reducing Bacteria |