| Acronym | Meaning |
| CGCG | Catalog Of Galaxies And Clusters Of Galaxies |
| OPEC | Organization Of Petroleum Exporting Countries |
| DSL | Domestic Substance List |
| LHDC | Lube Hydrocracking Distillate Catalyst |
| ACRS | Applied Computational Research Society |
| CFO | Crystal Field Orbital |
| FAP | Familial Adenomatous Polyposis |
| GMS | Glycerol Monostearate |
| UASBR | Upflow Anaerobic Sludge Blanket Reactor |
| PEOE | Partial Equalization Of Orbital Electronegativity (model) |