Abbreviations & Acronyms Dictionary

Caltech Submillimeter Observatory
Canberra Symphony Orchestra
CAR SEAT ONLY
Casino Airline
Central Selling Organisation
Central Services Organization
Central Statistical Office
Central Statistical Organization
Central Statistics Office
Centralized Service Observation
Centrum semiovale
CHAINED SEQUENTIAL OPERATION
Chicago Support Office
Chicago Symphony Orchestra
Chief Science Officer
Chief Scientific Officer
Chief Security Officer
Chief Signal Officer
Chief Signals Officer
Chief Software Officer
Chief Solutions Officer
Chief Strategy Officer
Chief Sustainment Officer
Child Support Officer
Christian Science Organization
Cis-stilbene oxide
Civil Service Organization
Civil society organisation
Civil Society Organization
Civil Society Organizations
Civilian Strategic Option
Claim services only
Claims services only
Clarified slurry oil
Classified Staff Organization
Closely Spaced Object
Closely-Spaced Object
Clothing and Services Office
Clothing Services Office
Coastal States Organization
Cognizant Secretarial Office
Cognizant Secretarial Officer
Cognizant Security Office
Cognizant Security Offices
Cold Start Only
Collection System Operations
Color Separation Overlay
Colour separation overlay
Combat Systems Officer
Combine Sewer Overflow
Combined sewage overflow
Combined Sewer Overflow
Combined Sewer Overflows
Command Security Office
Command Security Officer
Commanding Systems Operator
Commissioners Standard Ordinary
Committee of Senior Officials
Common source outbreak
Communication Service Order
Communications Security Officer
Communications Service Order
Communications Support Office
Communications support organization
Communications-Computer Systems Officer
Community Service Office
Community Service Offices
Community Service Order
Community Services Office
Community Services Offices
Community Support Officer
Compact Symmetric Object
Company Security Officer
Company Security Officers
Competitive Sourcing Office
Competitive Sourcing Official
Complementary Symmetry Operation
Complex Safety Office
Components and Supply Operations
Composite second order
Composite Second Order Distortion
Composite Signals Organization
Computer security object
Computer Security Officer
Computer security official
Computer Service Organization
Computer Services Office
Computer Services Organization
Computer Systems Office
Computer Systems Officer
Computer Systems Operation
Computer Systems Operations
Computer Systems Organization
Computing Services Office
Connecticut Southern Railroad
Consumer Safety Officer
Coronary sinus ostium
Correct Solutions Only
Cottonseed oil
Counter-Strike Online
Court Security Officer
Craniostenosis
Craniosynostosis
Critical Satellite Operations
Critical Space Operations
Crossed Second Order
Curvature of the Second Order
Customer Service Office
Customer Service Operations
Customer Service Order
Customer Service Organization
Customer Services Order
Customer Support Operations
Cyber Security Office
Cycles Since Overhaul