| Acronym | Meaning |
| NCAR | National Center For Atmospheric Research (USA) |
| APFIM | Atom Probe Field Ion Microscopy |
| HOMBA | Higher-order Modified Born Approxn. (in Potential Scattering) |
| LST | Local Solar Time |
| GDL | Glow Discharge Lamp |
| AF | Anaerobic Filter |
| MVMA | Motor Vehicle Manufactures Association |
| NOS | Nitric Oxide Synthase |
| NWWA | Northwest Water Authority (UK) |
| CHDF | Capillary Hydrodynamic Fractionation |