| Acronym | Meaning |
| ACR | Acute-Chronic Toxicity Ratio |
| NEC | National Electrical Code |
| PECAM | Platelet Endothelial Cell Adhesion Molecule |
| GFAP | Glial Fibrillary Acidic Protein |
| TED | Thermal Electron Detectors |
| PBPD | Physiologically Based Pharmacodynamic |
| OPAL | Optical Pumping Absorption Lidar |
| AMEL | Active-matrix Electroluminescent |
| TCDW | Target Continuum Distorted-wave (in At.-collision Calcns.) |
| VGO | Vacuum Gas Oil |