| Acronym | Meaning |
| NETAC | National Effluent Toxicity Assessment Center |
| ICSH | Interstitial Cell-stimulating Hormone |
| AGN | Active Galactic Nuclei |
| NAMA | National Air Monitoring Audits |
| MNOS | Metal-nitride Oxide Semiconductor |
| JGOFS | Joint Global Ocean Flux Study |
| RAS | Reflection-absorption Spectroscopy |
| HBJ | Hougen-Bunker-Johns (Hamiltonian For Mol. Calcns.) |
| LDA | Linear Discriminant Analysis |
| AAOM | American Academy Of Occupational Medicine |