| Acronym | Meaning |
| SC | Scandium |
| LED | Light-Emitting Diode |
| ACF | American Car And Foundry - American Culinary Federation - Administration For Children And Families |
| BGS | Bristol Grammar School - British Geographical Survey |
| ON | Ontario (postal Symbol) |
| ISTS | Intel Science Talent Search |
| USAP | Union Sportive Arlequins Perpignan |
| RU | Ruthenium |
| VD | North Vietnam (ISO 3166 Digram |
| MOCAS | Mechanization Of Contract Administration Services |