| Acronym | Meaning |
| QUASIMEME | Quality Assurance Of Information For Marine Environmental Monitoring In Europe |
| GLOSS | Global Sea Level Observing System (of IOC) |
| PMN | Polymorphonuclear Leukocyte |
| AQCR | Air Quality Control Region (US EPA) |
| UCHF | Uncoupled Hartree-Fock |
| EA-EOMCC | Electron Attachment-equation Of Motion Coupled Cluster |
| RHT | Restricted Hueckel Method |
| CSF | Colony-stimulating Factor |
| WQCDS | Water Quality Criteria Documents |
| BRNO | Best Radial Natural Orbital |