| Acronym | Meaning |
| NSS | National Stream Survey (USA) |
| SO SCF | Spin-optimized Self-consistent Field |
| EEA | European Environment Agency |
| GRAS | Generally Recognized As Safe |
| CFSRM | Coherent Forward Scattering Resonance Monochromator |
| PAPP-A | Pregnancy-associated Plasma Protein A |
| AASE | Airborne Arctic Stratospheric Expedition |
| IMWIR | Interim Mixed Waste Inventory Report |
| BOTDR | Brillouin Optical Time Domain Reflectometry |
| ELEPS | Extended London-Eyring-Polyani-Sato (potential Energy Surface) |