| Acronym | Meaning |
| ABAE | Adult Bovine Aortic Endothelial |
| GRM | Geopotential Research Mission (USA Satellite) |
| ALI | Acute Lung Injury |
| FOBT | Fecal Occult Blood Test |
| PDF | Probability Density Function |
| DEA | Drug Enforcement Administration |
| ABR | Anaerobic Baffled Reactor (for Wastewater Treatment) |
| MIOSA | Modified (rotational) Infinite Order Sudden Approxn. |
| HY-CIVB | Hylleraas-configuration Interaction Valence Bond |
| FPD | Flame Photometric Detector (gas Chromatography) |