| Acronym | Meaning |
| N3F | National Fantasy Fan Federation |
| TRW | Thompson Ramo Wooldridge Inc. |
| PLCC | Plastic Leaded Chip Carrier (electronics) |
| IL | Illinois (postal Symbol) - Israel (ISO 3166 Digram) |
| CMOS | Canadian Meteorological And Oceanographic Society - Complementary Metal-Oxide-Semiconductor |
| AMSU | Association For Managers In Students' Unions - Aviation Mat?riel Screening Unit |
| AE | Avestan Language (ISO 639-1 Code) |
| YGO | Yu-Gi-Oh! |
| GOSP | Gas/Oil Separation Plant |
| BART | Bay Area Rapid Transit |