| Acronym | Meaning |
| COV | Coefficient Of Variation |
| RCC | Relativistic Coupled Cluster |
| PAF | Platelet Activating Factor |
| DIOS | Desorption-ionization On Silicon |
| ASAE | American Society Of Agricultural Engineers |
| MAOI | Monoamine Oxidase Inhibitor |
| PTEN | Phosphatase And Tensin Homolog (mutated In Multiple Advanced Cancers 1) |
| SRTC | Savannah River Technology Center |
| BCPC | British Crop Protection Council |
| RSMC | Regional Specialized Meteorological Centre |