| Acronym | Meaning |
| HIT | Heterojunction With Intrinsic Thin Layer (photovoltaic Cell; Solar Cell) |
| PGNAA | Prompt Gamma Neutron Activation Analysis |
| WWEMA | Waste And Wastewater Equipment Manufacturers Association |
| SXPL | Soft X-ray Projection Lithography |
| AML | ARC Macro Language |
| FBF | Forearm Blood Flow |
| ANRHRD | Air Noise Radiation Health Research Division |
| GVFF | Generalized Valence Force Field |
| QCI | Quadratic Configuration Interaction |
| SCAR | Scientific Committee On Antarctic Research |