| Acronym | Meaning |
| NLSD | Nonlocal Spin Density (functional Theory) |
| COS | Cosmic Origins Spectrograph |
| XD | Exothermic Dispersion |
| IAVCEI | International Association Of Volcanology And Chemistry Of The Earth's Interior |
| LASCS | Light-activated Silicon Controlled Switch |
| IAS | Isobaric Analog States |
| WAS | Whole Air Sampler |
| MARDIGRAS | Matrix Analysis Of Relaxation For DIscerning The Geometry Of An Aqueous Structure |
| KIE | Kinetic Isotope Effect |
| ESR | Electroslag Refining |