| Acronym | Meaning |
| CASSCF | Complete Active Space-self Consistent Field |
| BEW | Base (or Biological) Equivalent Weight |
| MACS | Magnetic Cell Sorting System |
| DPN | Dip-pen Nanolithography |
| DAS | Double Antibody Sandwich |
| ICRP | International Commission On Radiological Protection |
| GFR | Glomerular Filtration Rate |
| ECCES | Environmental Calculations Of Consequences From Energy Systems (model) |
| GTAW | Gas-tungsten Arc Welding |
| DAFS | Diffraction Anomalous Fine Structure |