| Acronym | Meaning |
| NWWA | National Water Well Association |
| CAI | Calcium Aluminum Inclusion |
| TBEH | Tight-binding Extended Hueckel (extended Hueckel Tight-binding) |
| AWS | American Welding Society |
| EICP | Enclosed Inductively Coupled Plasma |
| PRA | Plasma Renin Activity |
| WANG | West Australian Natural Gas |
| SLEEP | Scanning Low Energy Electron Probe |
| FLC | Ferroelec. Liq. Crystal |
| COOP | Crystal Orbital Overlap Population |