| Acronym | Meaning |
 | FACS | Formal Aspects Of Computing Science - Fluorescent-activated Cell Sorting |
| DC | Da Capo - Italian Democrazia Cristiana - Digital Compass - Direct Current -District Of Columbia (postal Symbol) -Douglas Aircraft Company - Dublin Core - Duty Cycle |
| NO | FEAR -Notification And Federal Employee Antidiscrimination Retaliation Act (2002) |
| CA | California (postal Symbol) - Canada (FIPS 10-4 Country Code; ISO 3166 Digram) - Catalonia -Civil Affairs - Close Armour - Computer Associates - Counter-Air |
| RA | Rain (METAR Code) -Rear Area - Reinforced Alert - Republican Army - Right Ascension - Royal Artillery (UK) - Royal Academy |
| PAROS | Prevention Of An Arms Race In Outer Space (treaty) |
| CAM | Chemical Agent Monitor - Computer-Aided Manufacturing |
| BRIC | Brazil |
| BCC | Blind Carbon Copy |
| ISEF | Intel International Science And Engineering Fair |
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