| Acronym | Meaning |
| VB | Valence Bond |
| MQDT | Multichannel Quantum Defect Theory |
| PIRAS | Polarized Infrared Absorption Spectroscopy |
| GT | Gas Turbine |
| CHESS | Community Health And Environmental Surveillance System |
| ALRSS | Advanced Land Remote Sensing System |
| ECFS | Hot And Cold Potable Water (French; L'eau Chaude Et Froide Sanitaire) [a Class Of Pipe Application] |
| PNRA | Photon-tagged Nuclear Reaction Analysis |
| GOEZS | Global Ocean Euphotic Zone Study |
| DIDMOAD | Diabetes Insipidus |