| Acronym | Meaning |
| MOR | Modulus Of Resilience |
| PPR | Projection Pursuit Regression |
| ICCVAM | US Interagency Coordination Committee On The Validation Of Alternative Methods |
| HID | Helium Ionization Detector |
| IGEFET | Interdigitated-gate-electrode Field-effect Transistor |
| PSSR | Perturbed Stationary State With Relativistic Effects |
| WWTP | Wastewater Treatment Plant Or Process |
| CNES | Centre National D'Etudes Spatiales (French Space Center) |
| CCIX | Continuous Countercurrent Ion Exchange |
| PLT | Lead Lanthanum Titanate |