| Acronym | Meaning |
| NSS | National Stream Survey (USA) |
| CESAR | Canadian Expedition To Study The Alpha Ridge |
| HPML | High-pressure Mercury Lamp |
| APG | Antisymmetrized Product Of Geminals (wave Function) |
| NADAP | National Atmospheric Deposition Assessment Program |
| PAG | Periaqueductal Gray |
| MMLV | Moloney Murine Leukemia Virus |
| HAO | Hydrogenic Atomic Orbital |
| CNP | C-type Natriuretic Peptide |
| CGTO | Combination Of Gaussian Type Orbitals |