| Acronym | Meaning |
| GLAS | Geoscience Laser Altimeter System |
| TCC | Thermofor Catalytic Cracking |
| XPES | X-ray Photoelectron Spectroscopy |
| FEESP | Field-emitted Electron Spin-polarization |
| PPM | Pair Population Method |
| A.I. | Active Ingredient |
| APNO | Atomic Pair Natural Orbital |
| AMSA | Association Of Metropolitan Sewerage Agencies |
| SNAP | Soluble NSF Attachment Protein |
| ADPIC | Atmospheric Dispersion Particle-in-Cell |