Dictionary
co
abbreviation
Definition of CO
1
company
2
county
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Co
symbol
Definition of CO
cobalt
Other Chemical Engineering Terms
CO
abbreviation
Definition of CO
1
cash order
2
Colorado
3
commanding officer
4
conscientious objector
5
corrections officer
See CO defined for English-language learners
CO- Defined for Kids
CO
abbreviation
Definition of CO for Kids
Colorado
Learn More About CO
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