| Acronym | Meaning |
| OPEC | Organization Of Petroleum Exporting Countries |
| IBR | Infectious Bovine Rhinotracheitis |
| HFJ | Hartree-Fock-Jucys (in Electron-correlation Corrections Calcn.) |
| ORAC | Organic Reaction Accessed By Computer |
| EHEC | Enterohemorrhagic Escherichia Coli |
| GRK | G Protein Coupled Receptor Kinase |
| MMP | Monitoring Master Plan (of North Sea Task Force) |
| DEF | Dose Effect Factor |
| NCAP | Noncriteria Air Pollutants |
| REOS | Remote Electro-Optical Sensor |