| Acronym | Meaning |
| HFCC | Hyperfine Coupling Constant |
| GDC | Global Drifter Center (of WOCE Data System) |
| IDMA | Isotopic Dilution And Mass Analysis |
| CAK | Cdk-activating Kinase |
| ICP | Inductively Coupled Plasma |
| AASHO | American Association Of State Highway Officials |
| SOPHIA | System For Organic Reaction Prediction By Heuristic Approach |
| VCI | Valence Configuration Interaction (wave Function) |
| QCR | Quartz Crystal Resonator |
| MIDI | Split Valence Plus Polarization Function (basis Set) |