| Acronym | Meaning |
| ACP | Approximate Coupled-pair (method For Correlation-energy Calcn.) |
| APO B | Apolipoprotein B |
| FOS | Fiber Optic Sensor |
| DMA | Dynamic Mechanical Analysis (for Elastomers) |
| RVR | Renal Vascular Resistance |
| VSMC | Vascular Smooth Muscle Cell |
| PIA | Peaking Impulse Approxn. (for Electron-exchange Collisions) |
| WTE | Waste-To-Energy Facility |
| CATS | Corrective Action Tracking System |
| REM | Rapid Eye Movement |