| Acronym | Meaning |
| HGDB | Hydrogeologic Database |
| MOCED | Molecular Orbital Constrained Electron Diffraction Method |
| ECCF | Equilibrium Charge-charge Flux (model In Ir Spectra Calcns.) |
| GJIC | Gap Junctional Intercellular Communication |
| CARM | Cyclotron Autoresonance Maser |
| TTLC | Total Threshold Limit Concentration |
| SPG | Shirasu Porous Glass |
| OLED | Organic Light-emitting Device |
| EDGAR | Electronic Data Gathering |
| EDEC | Equal Distances Equal Charges Model |