| Acronym | Meaning |
| FG | Femtogram |
| UNU | United Nations University |
| IG | Igbo Language (ISO 639-1 Code) |
| STDM | Statistical Time Division Multiplexing |
| DOS | Denial Of Service (DoS |
| DWIM | Do What I Mean |
| MST3K OR MST3K | Mystery Science Theater 3000 |
| AR | Argentina (FIPS 10-4 Country Code; ISO 3166 Digram) - Arkansas (postal Symbol) - Armour |
| RARDE | UK Royal Armament Research And Development Establishment (1962?1991) |
| FSSP | Families Of Structurally Similar Proteins |