| Acronym | Meaning |
| NADAP | National Atmospheric Deposition Assessment Program |
| LOMI | Low Oxidation-state Metal Ions |
| AJM | Abrasive Jet Machining |
| CSRS | Cooperative State Research Service (US Dept. Of Agriculture) |
| STM | Space-translation Method (in Atomic Collision Calcn.) |
| CAUGA | Clifford Algebra Unitary Group Approach |
| CGCG | Catalog Of Galaxies And Clusters Of Galaxies |
| HCS | Heliospheric Current Sheet |
| PERL | Passivated Emitter And Rear Locally Diffused (solar Cells) |
| ICC | Intrahepatic Cholangiocarcinoma |