| Acronym | Meaning |
| KEDF | Kinetic-energy Density Functional |
| ACAR | Angular Correlation Of Annihilation Radiation |
| UNAMAP | Users' Network For Applied Modeling Of Air Pollution |
| TIW | Time-independent Wave Packet |
| APRF | Army Pulse Radiation Facility |
| IRMS | Isotope Ratio Mass Spectrometry |
| ORU | In Orbit Replaceable Unit (spacecraft) |
| GDNF | Glial-derived Neurotrophic Factor |
| SLAIS | SAW Liquid Analyzing And Identifying System |
| TLEED | Tensor Low-energy Electron Diffraction |