| Acronym | Meaning |
| WWT | Wastewater Treatment |
| CFHH-GLF | CFHH-generalized Laguerre Function |
| FDTD | Finite-difference Time-domain |
| EXPRES | Expert System For Pesticide Regulatory Evaluations And Simulations |
| SRFA | Suwanee River Fulvic Acid |
| CCR | Close-coupling R-matrix |
| MAM | Modified Atoms (in) Molecules |
| CASPT | Complete Active Space-perturbation Theory |
| UMP4SDTQ | Unrestricted Moeller-Plesset 4th-order (perturbation Theory With) Single |
| IBV | Infectious Bronchitis Virus |