| Acronym | Meaning |
| BO | Biorthonormal (wave Function) |
| CRAB | Clocked Recombination Antiblooming |
| IWRA | International Water Resources Association (USA) |
| ADWIOS | Adiabatic Distorted Wave Infinite Order Sudden |
| PPDS | Physical Property Data Service |
| HHPN | Hydraulic High Pressure Nebulization |
| ECNI | Electron Capture Negative Ionization |
| TASP | Template-assembled Synthetic Proteins |
| CPU | Central Processing Unit |
| CEIC | Caribbean Environmental Information Center |