| Acronym | Meaning |
| TDP | Total Dissolved Phosphorus |
| CRS | Controlled Release Society |
| TDCP-HFR | Time-dependent Coupled Perturbed Hartree-Fock-roothan Approach |
| CPK | Creatine Phosphokinase |
| CIS | Characteristic Isochromat Spectroscopy |
| SDG | Signed Directed Graph (model) |
| CTIO | Cerro Tololo Inter-American Observatory |
| ECF | Elemental Chlorine Free [as In Nonchlorine Bleaching] |
| RSK | Ribosomal S6 Kinase |
| FLAA | Flame Atomic Absorption |