| Acronym | Meaning |
| IAC | Impregnated Activated Carbon |
| FGEF | Federal Geographic Encoding Format |
| CDT | Critical Dissolution Time (synthetic Fiber And Polymer Property) |
| STECS | Solar Thermal Electric Conversion Systems |
| LOPAC | Library Of Pharmacologically Active Compounds |
| TRACE | Transport And Atmospheric Chemistry Near The Equator |
| TSPA | Total System Performance Assessment |
| ORC | Origin Recognition Complex |
| WCAT | Water-cooled Atom Trap |
| MAGW | Momentum-averaged Gaussian-weighted (method In Calcns. Of Electron-momentum Distributions) |