| Acronym | Meaning |
| BID | Buoyancy Induced Dispersion |
| IWSA | International Water Supply Association |
| IRSL | IR Stimulated Luminescence |
| OCLC | Online Computer Library Center |
| CHRM | Characteristic Remanent Magnetization |
| LCVO | Linear Combination Of Valence Orbitals |
| SPUMPN | Single-annihilation Procedure Unrestricted Moeller-Plesset Nth-order |
| TQM | Total Quality Management |
| NVFEL | National Vehicle And Fuel Emissions Laboratory |
| OIRM | Office Of Information Resources Management |