| Acronym | Meaning |
| NADB | National Air Data Branch (US EPA) |
| NADP | National Atmospheric Deposition Program |
| KFM | Kelvin Probe Force Microscopy |
| MOSAP | Marine Oil Spill Action Plan |
| GEASIC | Gradient-expansion Approxn. Self-interaction Correction (functional |
| ESCR | Environmental Stress Cracking Resistance |
| EMEA | European Medicines Evaluation Agency |
| MIDAS | Metal Ion-dependent Adhesion Site |
| NTU | Nephelometric Turbidity Unit |
| FSR | Free Spectral Range |