| Acronym | Meaning |
| USAARMC | U.S. Army ARMor Center |
| ADATP | Automated Data Processing |
| RAC | Royal Automobile Club (in The United Kingdom |
| MSA | Malay Language (ISO 639-2 Code) |
| URI | Uniform Resource Identifier |
| WC | Water Closet - Winston Churchill - World Cup (sports) |
| ETI | Extra-Terrestrial Intelligence |
| FISH | Fluorescence In-Situ Hybridisation |
| ARL | UK Admiralty Research Laboratory (1921?1977) - U.S. Army Research Laboratory - UIUC Aviation Research Laboratory |
| FIS | F?d?ration Internationale De Ski (French International Ski Federation) |