| Acronym | Meaning |
| IAEG | International Association Of Engineering Geology |
| HFRSPT | Hartree-Fock Rayleigh-Schroedinger Perturbation Theory |
| HPAC | High Performance Affinity Chromatography |
| HTML | Hypertext Markup Language |
| SEL | Surface Emitting Laser |
| NAPBN | National Air Pollution Background Network |
| PTSA | Pressure And Temperature Swing Adsorption |
| AICUZ | Air Installation Compatible Use Zones |
| MLVA | Multiple-locus Variable-number Tandem Repeat Analysispar |
| FOG | Fats, Oil, And Grease |