| Acronym | Meaning |
| BOA | Bidirectional Orbital Approximation (in Valence Bond Theory) |
| ERDEC | U.S. Army Edgewood Research |
| DMCP | Double Microchannel Plate |
| QGP | Quark Gluon Plasma |
| ITRS | International Technology Roadmap For Semiconductors |
| LAIS | Liquid Alloy Ion Source |
| FSIS | Food Safety And Inspection Service |
| TOMS | Total Ozone Mapping Spectrometer |
| TEMA | Tubular Exchanger Manufacturers Assocn. |
| NWR | Normotensive Wistar Rat |