| Acronym | Meaning |
| EHP | Electron-hole Plasma |
| INTECOL | The International Association Of Ecology |
| USPHS | United States Public Health Service |
| BQMCT | Basis Quantum Monte-Carlo Theory (for Many Electron Systems) |
| SXNO | Singly Excited Natural Orbital |
| COGS | Computer Oriented Geological Society |
| DODISS | Department Of Defense Index Of Specifications And Standards |
| WCUB | Wang Chang-Uhlenbeck-de Boer (quantum-mech. Relation In Rotational Relaxation Calcn.) |
| ARAR | Applicable Or Relevant And Appropriate Standards, Limitations, Criteria, And Requirements |
| PIPES | Piperazine-1 |