| Acronym | Meaning |
| AEFCA | All-electron Frozen-core Approximation |
| IAGC | International Association Of Geochemistry And Cosmochemistry |
| SS-CCSD | State Selective-CCSD |
| XGRS | X-ray/gamma-ray Spectrometer |
| FEMA | Flavor Extract Manufacturers Association |
| ODMR | Optically Detected Magnetic Resonance |
| ASMC | Aortic Smooth Muscle Cell |
| PPE | Personal Protective Equipment |
| GRASP | Graphical Representation And Analysis Of Structural Properties |
| IMHEX | Internally Manifolded Heat Exchanger (molten Carbonate Fuel Cell Design) |