| Acronym | Meaning |
| EDPCR | Extended Disjoint Principal Components Regression |
| PC-TD-SCF | Perturbation-corrected Time-dependent SCF |
| MOI | Multiplicity Of Infection |
| EPACSAR | EPA Chemical Activities Status Report |
| CPA | Coupled-pair Approximation |
| AVCC-IOS | Azimuthal (and) Vibrational Close-coupled (rotational) Infinite Order Sudden |
| HOFF | Hybrid Orbital Force Field |
| AERL | Air And Energy Engineering Research Laboratory |
| SOUR | Specific Oxygen Uptake Rate |
| BF | Bright Field |