| Acronym | Meaning |
| CVM | Cluster Variation Method (in Calcns. On Semiconductors) |
| PROACT | Proactive Respirometric Operational And Control Technology |
| PERC | Passivated Emitter And Rear Cell (solar Cells) |
| ECMRA | European Chemical Market Research Association |
| BEES | Ballistic Electron Emission Spectroscopy |
| LADD | Lowest Acceptable Daily Dose |
| SBIG | Subject-based Information Gateway |
| LRT | Long Range Transport |
| BFEM | Bright Field Electron Microscopy |
| PPO | Poly (phenylene Oxide) |