| Acronym | Meaning |
| DENT | Double-edge Notched Tension |
| PVR | Pulmonary Vascular Resistance |
| TSR | Thermal Shock Resistance |
| CEPA | Coupled Electron Pair Approximation |
| PTMG | Polytetramethylene Glycol |
| ARCS | Alternative Remedial Contracting Strategy (US EPA) |
| IPWO | Interface Plane Wave Orbitals |
| ADXPS | Angular Dependent X-ray Photoelectron Spectroscopy |
| VISITT | Vendor Information System For Innovative Treatment Technology (US EPA) |
| CCWP-J | Close Coupling Wave Packet [in Total Angular Momentum] J [representation] (for Collision Calcns.) |