| Acronym | Meaning |
| STORET | Storage And Retrieval Of U.S. Waterways Parametric Data |
| CECE | Combined Electrolysis And Chemical Exchange |
| QAMS | Quality Assurance Management Staff (US EPA) |
| INTECOL | The International Association Of Ecology |
| CIPW | Cross, Iddings, Pirrson, And Washington (for Geology Terminology) |
| SCM | Self-consistent Multipolar (method In Metal Cluster Calcns.) |
| HBV | Hartree-Bogolyubov-Valatin (theory In Calcn. Of Wave Functions) |
| ACHRE | Advisory Committee On Human Radiation Experiments |
| SEP | Solar Energetic Particle (event) |
| NGV | Natural Gas Vehicle |