| Acronym | Meaning |
| EDA | Electron Donor-acceptor |
| SLE | Systemic Lupus Erythematosus |
| LGM | Last Glacial Maximum (most Recent Era Of Continental Glaciation; See Also PGP) |
| ECCS | Electro-coated Chromium Steel |
| CTA | Classical Trajectory Approximation (in Mol.-collision Calcns.) |
| BEHP | Bis(2-ethylhexyl) Phthalate |
| RBF | Renal Blood Flow |
| QDM | Quantum Defect Method |
| NCMET | Nonclosed Shell Many Electron Theory |
| DPIA | Digital Printing And Imaging Association |