| Acronym | Meaning |
| ACTS | Advanced Communications Technologies And Services |
| AQM | Acenaphthenequinone Monoxime |
| APRF | Acute Phase Response Factor |
| APCS | Argonne Premium Coal Sample |
| RFGD | Radio-frequency Glow Discharge |
| BID | Brinell Indentation Diameter |
| PRECP | Processing Emissions By Cloud And Precipitation (DOE Program) |
| NAO | Natural Atomic Orbital |
| PIES | Penning Ionization Electron Spectroscopy |
| TDCS | Total Dissolved And Colloidal Solids |