| Acronym | Meaning |
| COP | Crystal Originated Particle |
| EHMO | Extended Hueckel Molecular Orbital |
| ECMWF | European Center For Medium Range Weather Forecast |
| CSFR | Colony-stimulating Factor Receptor |
| CBD | Cellulose-binding Domain |
| VISITT | Vendor Information System For Innovative Treatment Technology (US EPA) |
| MTAB | Myristyltrimethylammonium Bromide (surfactant) |
| FVC | Forced Vital Capacity (lung Function) |
| HPSAM | H-point Standard Additions Method |
| FPC | Fixed Partial Charge |