| Acronym | Meaning |
| BC | Before Christ - Blind Copy (in Emailers) - Boston College -Botswana (FIPS 10-4 Country Code; From Bechuanaland) - British Columbia (postal Symbol) |
| GOYADIN | Get Off Your Arse |
| LIBS | Laser Induced Breakdown Spectroscopy |
| CAC | California Association Of Criminalists - Chronic Asymptomatic [Disease] Carrier |
| QUASAR | Quasi-stellar Radio Source |
| ARL | UK Admiralty Research Laboratory (1921?1977) - U.S. Army Research Laboratory - UIUC Aviation Research Laboratory |
| SNE | Synthetic Natural Environment |
| ARPA | Advanced Research Projects Agency |
| DUSD | (U.S.) Deputy Under-Secretary Of Defense |
| MANPRINT | MANpower And PeRsonnel INTegration |