| Meaning | Category |
| A Sneezing Cow | Miscellaneous->Funnies |
| ADPCM Stereo C | Academic & Science->Electronics |
| ASCII text | Computing->File Extensions |
| ATCCS Steering Committee | Governmental->Military |
| Accounting Service Center | Miscellaneous->USPS |
| Accredited Standards Committee | Computing->General |
| Achieve Speaking Confidence | Miscellaneous->Toastmasters |
| Acoustic Seabed Classification | Academic & Science->Ocean Science |
| Actuated Signal Control | Governmental->Transportation |
| Adaptive Speed Control | Governmental->Transportation |
| Additional Sense Code | Computing->Assembly |
| Adhesive and Sealant Council | Business->Professional Organizations |
| Administrative Support Center | Academic & Science->Ocean Science |
| Adventure Science Center | Community->Museums |
| Aeronautical System Center | Governmental->Military |
| African Studies Centre | Academic & Science->Universities |
| Afrika-Studiecentrum/African Studies Centre | Regional->African |
| Air Standards Coordinating Committee | Governmental->Military |
| Alberta Securities Commission | Business->Stock Exchange |
| Alianza Socialista de Castile | International->Spanish |
| Alt Smokers Cigars | Internet->Chat |
| Alt Startrek Creative | Internet->Chat |
| Altered State of Consciousness | Medical->Physiology |
| Always Stealing Cash | Community->Law |
| Ambulatory Surgery Center | Medical->Physiology |
| Ambulatory Surgical Center | Medical->Hospitals |
| American Satellite Company | Community->Media |
| American Service Center | Business->Firms Governmental->Transportation |
| American Society of Cinematographers | Community->Media |
| American Standard Code | Computing->General |
| American Standards Committee | Governmental->Military |
| Anterior Subcapsular | Medical->Physiology |
| Anti Spawn Camping | Community->Sports |
| Applications Strategy Council (Internet2) | Computing->Networking |
| Appointment Slot Consumed | Governmental->Military |
| Area Signal Center | Governmental->Military |
| Arhivele Statului Cluj | International->Romanian |
| Arizona Ski Council | Community->Sports |
| Armored encrypted file (Pretty Good Privacy) | Computing->File Extensions |
| Army Service Corps | Governmental->Military |
| Arteriosclerosis | Medical->Physiology |
| Asamblea de la Sociedad Civil | International->Guatemalan |
| Ascending | Medical->Physiology |
| Asia Student Carnival | Academic & Science->Universities |
| Asian Student Coalition | Academic & Science->Universities |
| Asociación Socialdemócrata Canaria | International->Spanish |
| Assessment Systems Corporation | Business->Firms |
| Assistant State Commissioner | Governmental->US Government |
| Associated Specialty Contractors | Business->Professional Organizations |
| Autodin Switching Center | Governmental->Military |
| Automatic Switching Center | Governmental->Military |
| GROB Graphic Object Bitmap graphics Black and White ASCII ( HP-48sx calculator) | Computing->File Extensions |
| Office of System Capacity and Requirements | Governmental->Transportation |
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