| Acronym | Meaning |
| LPIN | Lipoprotein Ice Nucleator |
| LCGTO | Linear Combination Of Gaussian Type Orbitals |
| NPD | Nitrogen Phosphorus Detector (gas Chromatography) |
| EHS | Extremely Hazardous Substance |
| TAT | Technical Assistance Team |
| MCQDA | Multichannel Quantum Defect Analysis |
| HFS | Hartree Fock Slater |
| NACCHO | National Association Of County And City Health Officials |
| IUGG | International Union Of Geodesy And Geophysics |
| PISAM | Photon-induced Scanning Auger Microscope |