| Acronym | Meaning |
| AECMA | European Association Of Aerospace Manufacturers |
| AIHA | American Industrial Hygiene Association |
| CPDAM | Cumulative Potential-derived Atomic Multipole (calcn. Method) |
| HRV | Heart Rate Variability |
| AETM | Analytical Electron Transmission Microscopy |
| URV | Unit Risk Value |
| FDA | Food And Drug Administration |
| SWKB | Supersymmetric Wentzel-Kramers-Brillouin (quantum Method) |
| SHAPM | Shear Horizontal Acoustic Plate Mode |
| OECA | Office Of Enforcement And Compliance Assurance |