List of Acronyms and Initialisms: C - CO

CO

• c/o – (i) care of (postal code indicating temporary address change)
• co – (s) Corsican language (ISO 639-1 code)
• Co – (s) Cobalt
• Co. – Company
• CO – many, including Central Office (phone company); see entry – (s) Colorado (postal symbol) – (i) Commanding Officer (military)
• COA – (i) Certificate/Concept Of Analysis – Course Of Action (military)
• COB – (i) Close Of Business
• COBOL (p) – COmmon Business-Oriented Language
• COCOM – (p) Combatant Command (military)
• COD – (i) Cash On Delivery – (s) Democratic Republic of the Congo (ISO 3166 trigram)
• CoDA – (i) Co-Dependents Anonymous
• codec – (p) Coder-Decoder / Compressor-Decompressor / Compression-Decompression algorithm
• COE – (i) Cab Over Engine (see truck) – Common Operating Environment (military)
• COEA – (i) Cost Operational Effectiveness Analysis (military)
• COEIA – (i) Combined Operational Effectiveness and Investment Appraisal (military)
• C of I – (i) Certificate of Indebtedness (financial) – (i) The College of Idaho
• COFT – (i) Conduct Of Fire Trainer (military)
• COG – (i) Centre Of Gravity – Current Operations Group (military) – (s) Republic of the Congo (ISO 3166 trigram)
• COGENT – (a) Cognitive Objects within a Graphical EnviroNmenT
• COIL – (a) Chemical Oxygen Iodine Laser
• COIN – (p) Counter-Insurgency (military)
• COK – (s) Cook Islands (ISO 3166 trigram)
• COL – (s) Colombia (ISO 3166 trigram)
• COLA – (a) comp.os.linux.announce – Cost Of Living Adjustment
• COLT – (a) Combat Observation and Lasing Team (military)
• COM – (s) Comoros (ISO 3166 trigram) – (a) Component Object Model
• COMECON – (p) Council for Mutual Economic Assistance (economic counterpart of the Warsaw Pact, 1949–1991)
• COMMZ – (p) Communications Zone (military)
• COMSEC – (p) Communications Security (military)
• CONAD – (p) U.S. Continental Air Defense Command
• CONCACAF – (a) Confederation Of North, Central American and Caribbean Association Football
• CONMEBOL – (p) Confederación Sudamericana de Fútbol or Confederação Sul-Americana de Futebol (respectively Spanish and Portuguese for "South American Football Confederation")
• CONOPS – (p) Concept of Operations (military)
• CONUS – (p) Continental United States
• COO – (i) Chief Operating Officer
• COP – (s) Colombian peso (ISO 4217 currency code) – (a) Common Operating/Operational Picture
• COPE – (a) U.K. Committee On Publication Ethics
• COPUS – (p) U.K. Committee on the Public Understanding of Science
• cor – (s) Cornish language (ISO 639-2 code)
• CORBA – (a) Common Object Request Broker Architecture
• CORD – (i/a) Common Operational Requirements Document
• CORE – (a) Consortium for Oceanographic Research and Education
• CORG – (i) (U.S.) Combat Operations Research Group
• COROT – (p) COnvection, ROtation and planetary Transits
• cos – (s) Corsican language (ISO 639-2 code) – Cosine
• COS – (i) Cooper Ornithological Society
• COSCOM – (p) Corps Support Command (military)
• COSER – (p) COoperative SERvice
• COTS – (a) Commercial Off The Shelf
• Coy – (s) Company (military unit)Cow