| Acronym | Meaning |
| ALK | Anaplastic Lymphoma Kinase |
| PNO-CE | Pseudonatural Orbital-configuration Expansion |
| HABR | Hybrid Anaerobic Baffled Reactor (for Wastewater Treatment) |
| EFLE | Enhanced-fluidity Liquid Extraction |
| LCMV | Lymphocytic Choriomeningitis Virus |
| HTGR | High-Temperature Gas Reactor |
| SDG | Signed Directed Graph (model) |
| EROS | Elaboration Of Reactions For Organic Synthesis |
| EWMO | Energy Weighted Maximum Overlap Method |
| FWA | Fluorescent Whitening Agent |