| Acronym | Meaning |
| DPA | Differential Pulse Amperometry |
| UAM | Urban Airshed Model |
| CRMMA | Chemical Reference Material Manufacturers Association |
| CIMI | Configuration Interaction From Molecular Integrals |
| FIM-APS | Field Ion Microscopy-atom Probe Spectroscopy |
| SSF | Slow Sand Filtration (water Treatment) |
| ISAS | Japanese Institute Of Space And Astronomical Science |
| IOS | Infinite Order Sudden Approximation |
| NZRPA | Normalized Zero-range Potential Approxn. |
| AE | Acoustic Emission |