| Acronym | Meaning |
| MBR | Membrane Bioreactor |
| SVM | Support Vector Machine |
| SRASE | Symmetry Restricted Annihilation Of Single Excitations |
| OPAL | Omni-Purpose Apparatus At LEP |
| MRSD-CI+P | MRSD-CI (with) Pople Correction |
| HGAFS | Hydride Generation Atomic Fluorescence Spectrometry |
| FBG | Fiber Bragg Grating |
| BOA | Born-Oppenheimer Approxn. |
| SCATE | Sulfur Chemistry In The Antarctic Troposphere Experiment |
| HVEM | Herpesvirus Entry Mediator |