| Acronym | Meaning |
| MKS | Metre-Kilogram-Second (system Of Units) -MKS Inc. Software Company |
| RBCI | Radio Based Combat Identification |
| USSR | Union Of Soviet Socialist Republics |
| DZ | Dzongkha Language (ISO 639-1 Code) |
| GBP | United Kingdom Pound Sterling (ISO 4217 Currency Code) |
| SI | Silicon |
| TCA | Transformational Communications Architecture -Turks And Caicos (ISO 3166 Trigram) |
| HEB | Hebrew Language (ISO 639-2 Code) |
| DY | Dahomey (ISO 3166 Digram; Obsolete Since 1977) |
| BN | Brunei (ISO 3166 Digram; FIPS 10-4 Country Code) |