| Acronym | Meaning |
| FRC | Free Residual Chlorine |
| SWIRLS | Stratospheric Wind IR Limb Sounder |
| ICP/MS | Inductively Coupled Plasma Mass Spectrometry |
| IPSC | Inhibitory Postsynaptic Current |
| SCHAZ | Subcritical Heat-affected Zone |
| MCNDO | Modified Complete Neglect Of Differential Overlap |
| ACQM | Arrangement-channel Quantum Mechanics |
| CPV | Canine Parvovirus |
| OMVPE | Organometallic Vapor-phase Epitaxy |
| MHW MO | Mulliken-Helmholz-Wolfsberg Molecular Orbital |