| Acronym | Meaning |
| TF/SC | Trickling Filter/Solids Contact Process (for Wastewater Treatment) |
| ULFM | Unified Ligand Field Model (for Mol. Electronic Energies) |
| WPB | Within Plate Basalts |
| CANDI | Carbon And Nutrient Diagenesis |
| PNO-CE | Pseudonatural Orbital-configuration Expansion |
| GVB | Generalized Valence Bond |
| MOM | Modified Operator Method (for Energy-level Calcns.) |
| RVCM | Residual Vinyl Chloride Monomer |
| ECP-CPP | Effective Core Potential (augmented By)-core Polarization Potential |
| CALCOFI | California Cooperative Oceanic Fisheries Investigations |