| Acronym | Meaning |
| FIIAA | Flow Injection Immunoaffinity Analysis |
| PSD | Postsynaptic Density |
| SSCAD | Spherical Self-consistent Atomic Deformation |
| NRM | Nuclear Reference Material |
| WRAP | Waste Receiving And Processing |
| CROWN | Combines Rotation With Nutation |
| RLF | Radially Localized (wave) Function |
| NHO | Natural Hybrid Orbital |
| MMMF | Man-Made Mineral Fiber |
| DIN | Dissolved Inorganic Nitrogen |