| Acronym | Meaning |
| IAP | Immunosuppressive Acidic Protein |
| NDWAC | National Drinking Water Advisory Council |
| SATI | Spectral Airglow Temp. Imager |
| RMBPT | Relativistic Many-body Perturbation Theory |
| IGY | International Geophysical Year |
| DIIMFP | Differential Inverse Inelastic Mean Free Path |
| ACORE | Atomic Core Orbitals |
| CMO | Complex Molecular Orbital Method |
| HFKS | Hartree-Fock-Kohn-Sham (density-functional Theory) |
| PSP | Paralytic Shellfish Poison |