CO

CO

1. (chemistry) The molecular formula for carbon monoxide.

CO

1. (international standards) ISO 3166-1 alpha-2 country code for Colombia.

   Synonym: COL (alpha-3)

CO

1. Abbreviation of Colorado. A state of the United States.

CO

1. Abbreviation of county.
2. (military) Initialism of commanding officer.
3. (military) Initialism of commissioned officer.
4. (US, law enforcement) Initialism of corrections officer.
5. (US, law enforcement) Initialism of correctional officer.
6. (military) Initialism of conscientious objector.
7. (geology) Initialism of common-offset [method].
8. (poker) Abbreviation of cutoff.

CO

1. (knitting) Abbreviation of cast on.

• Oc, O. C., oc, Oc., O.C., OC

CO ?

1. Abbreviation of Como. (Italian town in Lombardia)