| Acronym | Meaning |
| MWPC | Multiwire Proportional Chamber |
| NFT | Neurofibrillary Tangle |
| NASD | National Ag Safety Database |
| TFA | Total Fatty Acids |
| CASH | CaO-Al2O3-SiO2-H2O System |
| CSEPP | Chemical Stockpile Emergency Preparedness Plan |
| RITS | Radiatively Important Trace Species |
| ICZ | Initial Contact Zone(s) |
| NEPP | National Energy Policy Plan |
| XFH | X-ray Fluorescence Holography |