| Acronym | Meaning |
| ATPASE | Adenosine Triphosphatase |
| ESCORT | Error Self-compensation Reached By Tau-scrambling |
| HC | Hazardous Constituent |
| PNDDO | Partial Neglect Of Diatomic Differential Overlap |
| LEAR | Low Energy Antiproton Ring |
| DON | Dissolved Organic Nitrogen |
| NTA | Nitrilotriacetic Acid |
| CZCS | Coastal Zone Color Scanner |
| NPSO | Nonpaired Spatial Orbital |
| FSH | Follicle-stimulating Hormone |