| Acronym | Meaning |
| SCC | Sludge Conditioning Controller |
| GIAO | Gage Invariant Atomic Orbital |
| AU | Astronomical Unit |
| THM | Transcorrelated Hamiltonian Method |
| EPSC | Excitatory Postsynaptic Current |
| SMG | Submandibular Gland |
| APC | Air Pollution Control |
| CELISA | Competitive Enzyme-linked Immunoabsorbent Assay |
| HNLC | High-nutrient Low-chlorophyll |
| HRV | Human Rhinovirus |