| Acronym | Meaning |
| HAT | Humid-air Turbine [cycle] |
| BSS | Backscattering Spectroscopy |
| USACE | US Army Corp Of Engineers |
| PCMT | Protein Carboxyl Methyltransferase |
| ASPET | American Society For Pharmacology And Experimental Therapeutics |
| ISIRS | International Sorption Information Retrieval System |
| NWS | National Weather Service |
| PHS | Prostaglandin H Synthase |
| LASER | Light Amplification By Stimulated Emission Of Radiation |
| PRA | Probabilistic Risk Assessment |