| Acronym | Meaning |
| PHS | Prostaglandin H Synthase |
| LEEP | Low-energy Solvent Extraction Process |
| LLIT | Liq.-liq. Intermol. Transfer |
| PREVENT | Pacific Northwest Regional Visibility Expt. Using Natural Tracers |
| AHA | Anterior Hypothalamic Area |
| SLE | Systemic Lupus Erythematosus |
| HWSFC | Hazardous Waste Superfund Collection |
| MLT | Magnetic Local Time |
| MFAG | Medical First Aid Guide For Use In Accidents Involving Dangerous Goods |
| HHH | Henon-Heiles Hamiltonian |