| Acronym | Meaning |
| GRN | GuaranĀ Language (ISO 639-2 Code) |
| NVEOL | Night Vision And Electro-Optics Laboratory |
| CU | Copper (Latin Cuprum) |
| YF | Yoctofarad |
| WWWF | World Wide Wrestling Federation |
| GW | Games Workshop - Germ Warfare -Gigawatt -Guided Weapon -Guinea-Bissau (ISO 3166 Digram) |
| ICHTHYS | Iesous Christos |
| LCM | Least/Lowest Common Multiple |
| EROS | Earth Resources Observation System |
| IMLAST | International Movement For Leisure Activities In Science And Technology - See MILSET |