| Acronym | Meaning |
| MHW MO | Mulliken-Helmholz-Wolfsberg Molecular Orbital |
| HPCN | High-Performance Computing And Networking |
| APC | Anaphase-promoting Complex |
| HPS | High Pressure Plasma Spraying |
| CFB | Circulating Fluidized Bed |
| SALQR | Successive Approximation Linear Quadratic Regulator (for Groundwater Management) |
| SI | Site Investigation |
| MPCVD | Microwave Plasma Chemical Vapor Deposition |
| AKDDQ | Aluminum Killed Deep Drawing Quality |
| UKAWRG | United Kingdom Acid Waters Review Group |