| Acronym | Meaning |
| INCI | International Nomenclature Cosmetic Ingredient |
| ISIS | Image-selected In Vivo Spectroscopy |
| EKT | Extended Koopmans Theorem |
| PDMS | Plasma Desorption Mass Spectrometry |
| ACCAD | Advisory Committee On Climate Applications And Data |
| EMP | Electrostatic Molecular Potential (for Electronic-structure) |
| MEKC | Micellar Electrokinetic Chromatography |
| QMO | Quaternionic Molecular Orbital Method |
| IAMAS | International Association Of Meteorological And Atmospheric Sciences |
| TBW | Total Body Weight |