What does Co stand for?

Cargo Operations (NAKS)

Carya ovata - Shagbark hickory

Change Order (NAKS)

Cobalt - Chemical element

Coenzyme - Biochemistry

Coke's English King's Bench Reports - 1572-1616 - A publication (DLA)

Coke's Institutes - England - A publication (DLA)

Colombia (MILB)

Colorado State Library, Denver, CO - Library symbol - Library of Congress (LCLS)

Columbium (SAUS)

Commission (SAUS)

Compagnon (SAUS)

Company (DD)

Comparison Stimulus (DIPS)

Contracting Officer (NAKS)

Coral - Quality of the bottom - Nautical charts

Corps (SAUO)

Costa - Entomology

County (ADWA)

Cowling Number - IUPAC

Cutoff (NAKS)

Cabinet Office - New South Wales - Australia

Calcium Oxalate (MELL)

Call Offer (SAUO)

Call Option - Investment term

Call Out (ACAE)

Camouflage Officer - British

Candidal Onychomycosis (STED)

Capacity Office (SAUO)

Carbon Dioxide (SAUS)

Carbon Monoxide

Cardiac Output - Cardiology

Cargo Operations - NASA (MCD)

Caribbean Organization - An international governmental body, of which the US was a member - Terminated, 1965

Carried Over - Accounting

Carry Out (VLIE)

Cartometric Operations (GEOI)

Case Officer - Criminology (LAIN)

Cash Order - Business term

Castor Oil

Casualty Officer - Military (DAVI)

Cathodal Opening - Medicine (ROG)

Cathode-Ray Oscillator

Cemented Only - Of envelopes

Central Obesity (MELL)

Central Office

Centra Oficejo (SAUO)

Centric Occlusion - Dentistry

Certificate of Occupancy - Business term (EMRF)

Certificate of Origin - Investment term (DFIT)

Certification Office - Trade union regulation - British

Certified Orthotist

Cervical Orthosis - Medicine

Cervicoaxial - Dentistry (DAVI)

Chain Operator (AAG)

Chain Overseas - Aviation

Change - of Order

Change Over (DEN)

Charging Order (DCTA)

Checked Operation (SAUS)

Checked Output (SAUS)

Check OK - Telecommunications (TEL)

Check Open - Nuclear energy (NRCH)

Checkout (SAUS)

Chesapeake & Ohio Railroad (SAUO)

Chiari Osteotomy - Medicine (MELL)

Chief of Ordnance - Army

Chief Operator (NRCH)

Chinin-Oxidase (SAUS)

Choir Organ (ROG)

Choline Oxidase - An enzyme

Christian Overcomers - An association (EA)

Ciclopirox Olamine - Antifungal agent

Classical Quarterly - A publication (ABAR)

Classifier Overflow (IAA)

Cleanout (AAG)

Clergy Orphan Schools - British (ROG)

Clerical Officer - Civil Service - British

Clock Oscillator

Closed-Open (SAUS)

Closed Orbit (SAUS)

Closing Order (ROG)

Coast

Coast-to-Coast Stores - NCIC firearms make code (NCIC)

COBOL - Common Business-Oriented Language - Computer science (IAA)

Coburg - German license plate city code

Coccygeal - Medicine (EDAA)

Cochlear Occlusion - Medicine (MELL)

Cochlear Ossification - Medicine (MELL)

Cocoa - Soil biology - Human-introduced crops (QSUL)

Coden - Online database field identifier

Coefficient of Overestimation

Coenzyme Community Organization (STED)

Coinbox Line - Telecommunications (TEL)

Coinsurance

Coke Oven

Coldset Offset - Printing (DGA)

Colistin - Also, CL - Generic form - An antibiotic

Collation - Online database field identifier

Colombia - ANSI two-letter standard code (CNC)

Colombia - GeoNet country code (GEON)

Colombia - Federal Information Processing Standard (FIPS) country code (GEON)

Colon - City in Panama (ROG)

Colonial Office - British

Colonial Officer (SAUS)

Colorado - Postal code

Colorado Reports - A publication (DLA)

Colton Blood Group System - Immunology (QSUL)

Combat Aptitude Area (AABC)

Combat Operation

Combined Operations

Come - Like, As - Music (ROG)

Commanding Officer

Command Operations - Army (AABC)

Command Operator (SAUS)

Command Orders

Command Output

Commercial

Commercial - Automotive engineering

Commissioned Officer (SAUO)

Commissioner for Oaths

Commissioner's Office - Scotland Yard

Common Orders (DLA)

Commonwealth Office - Formerly, CRO - British

Commonwealth Ombudsman - Australia

Communication (IAA)

Communication Outlet (SAUS)

Communications Officer - Navy

Communications Orbiter (ACAE)

Company - Business term (AAG)

Comparison Operator (SAUS)

Compiler Operation (SAUS)

Compliance Officer - Department of Labor

Components Only

Compositus - Compound - Pharmacy

Compound - Medicine (AAMN)

Computer Operation (SAUS)

Computer Operator (VLIE)

Computing Operation (SAUS)

Concentrator (SAUS)

Conceptual Organization - Psychometrics

Conditional Order (SAUS)

Cone

Conference (SAUO)

Congregation of the Oratory - Oratorians - Roman Catholic men's religious order

Coniagas Mines Ltd. - Toronto Stock Exchange symbol

Conjugi Optimo - To My Most Excellent Spouse - Latin

Connection-Oriented

Connective Operation (SAUS)

Conscientious Objector

Conservation Officer (SAUO)

Console Output - Computer science (ELAL)

Consolidated Obligation

Constantine Order - Freemasonry (ROG)

Constantly Operating

Contact Operate (VLIE)

Container

Continental Airlines - ICAO designator (AD)

Continental Airlines, Inc. - CAB official abbreviation

Continental Motors Corp. (SAUO)

Continuous Observation - Nursing order (CPH)

Contracting Officer - Military technology (DDF)

Contracting Officer - Also, CONTRO, KO

Control Order (MCD)

Conventional

Conversion Operation (SAUS)

Convert Out (VLIE)

Co-Orbital (ACAE)

Coordinate (VLIE)

Copy (ROG)

Copyright Office - US

Cordage (SAUS)

Cordierite (SAUS)

Corneal Opacity - Medicine (MAE)

Corn Oil

Corporate Office (AAG)

Corps Observation

Corpus - Referring to the uterus - Gynecology (DAVI)

Correction

Correctional Officer

Corrective Osteotomy - Medicine (MELL)

Corrpro Co. - NYSE symbol

Corrpro Cos. - AMEX symbol

Council Officer - British (ROG)

Counting Operation (SAUS)

Country

County (EY)

Coupled Oscillator (DEN)

Couple Output (VLIE)

Course

Course Pennant - Navy - British

Court Order - Medicine (EDAA)

Covered Option - Investment term

Criminal Offence - British

Criminal Office

Crossover - Genetics

Crown Office - British

Crystal Oscillator

Custodial Officer (SAUO)

Customer Order Set (IAA)

Customer Owned - Open Systems Interconnection (ODAA)

Cutoff (MSA)

Cut Out

Cycling Oiler - Navy (MCD)

Cyclophosphamide, Oncovin - Vincristine - Antineoplastic drug regimen

Cytochrome Oxidase - An enzyme

MRCC SAR Co-ordinator (SAUO)

Oakland Public Library, Oakland, CA - Library symbol - Library of Congress (LCLS)

Oratorians (TOCD)

Reconnect Fee - Electric utility company

Station Open to Official Correspondence Exclusively - ITU designation

Output Capacitance (IDOE)

Care Of (WDMC)

Cargo Oil (DS)

Cash Order (WDMC)

Company (NTIO)

Conical Tank - Liquid gas carriers

Copolymerized With - Organic chemistry

County (VRA)

Oratorians (TOCD)