| Acronym | Meaning |
| ESA-IRS | European Space Agency-Information Retrieval Service |
| GOSAT | Greenhouse Gas Observing Satellite |
| ABEP | Acetate Buffer Extraction Procedure |
| HQE | Hemiquantal Equations |
| GHF | Generalized Hellmann-Feynman (theorem) |
| EDXA | Energy-dispersive X-ray Analysis |
| MLIS | Molecular Laser Isotope Separation |
| FSSW | Friction Super Stir Welding |
| CMB | Chemical Mass Balance |
| HDF | Halogenated Dibenzofuran(s) |