| Acronym | Meaning |
| BLCAO | Bilinear Combination Of Atomic Orbitals |
| RMLC | Recommended Maximum Contaminant Level |
| HPV | Hypoxic Pulmonary Vasoconstriction |
| FGD | Flue Gas Desulfurization |
| SPEMC-SCF | Selected Paired Excitational Expansion Multiconfiguration-SCF |
| CSI | Chemical Shift Imaging (NMR) |
| EFB | European Federation Of Biotechnology |
| PXRF | Polarized X-ray Fluorescence |
| LDEF | Long Duration Exposure Facility (for Spacecraft Material Testing) |
| LLC | Lyotropic Liquid Crystal |