| Acronym | Meaning |
| MASP-HMO | Mutual Additive Substituent Parameter-Hueckel Molecular Orbital |
| THM | Transcorrelated Hamiltonian Method |
| MRB | Multi-stage Reverse-flow Bioreactor |
| AUBF | Anaerobic Upflow Biofilter |
| PSNO | Pseudonatural Orbital |
| BART | Biological Activity Reaction Test |
| LTO | Laguerre-type Orbital (an Ao) |
| TEER | Transepithelial Electric Resistance |
| BPO | Benzoyl Peroxide |
| EXPASY | Expert Protein Analysis System |