| Acronym | Meaning |
| ARISE | Advanced Radio Interferometry Between Space And Earth |
| OTDR | Optical Time Domain Reflectometry |
| CPEO | Chronic Progressive External Ophthalmoplegia |
| CHF | Coulomb Hartree-Fock |
| OVD | Optically Variable Device |
| ALCOM | Advanced Liquid Crystalline Optical Materials |
| TCR | Temperature Coefficient Of Resistance |
| STAPPA | State And Territorial Air Pollution Program Administrators |
| EPES | Elastic Peak Electron Spectroscopy |
| BPBG | Butyl Phthalyl Butyl Glycolatepar |