| Acronym | Meaning |
| OPEC | Organization Of Petroleum Exporting Countries |
| SI | Stieltje Imaging (method For Calcg. Wave Functions) |
| FOBT | Fecal Occult Blood Test |
| OSM | Overlapping Sphere Model |
| TSDRF | Treatment, Storage, Disposal, And Recycling Facilities |
| SHM | Screened Hydrogenic Model (for Electronic Structure In Plasmas) |
| CCLGO | Catalytic Cracked Light Gas Oil |
| ALCAM | Activated Leukocyte Cell Adhesion Molecule |
| CBNM | Central Bureau For Nuclear Measurements |
| ANT | Adenine Nucleotide Translocator |