There are 2 definitions of Co in English:

Co1

Line breaks: Co

symbol

The chemical element cobalt.

Definition of Co in:

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Word of the day animalcule
Pronunciation: ˌanɪˈmalkjuːl
noun
a microscopic animal

There are 2 definitions of Co in English:

CO2

Line breaks: CO

abbreviation

1Colombia (international vehicle registration).
1.1Colorado (in official postal use).
1.2Commanding Officer.
1.3Conscientious objector.

Definition of Co in: