Dictionary › C › CO
CO
1 syllableYour browser doesn’t have built-in voices. Try Chrome, Edge or Safari.
As a noun, CO means an odorless very poisonous gas that is a product of incomplete combustion of carbon. As a pronoun, it means they (singular). Gender-neutral subject pronoun, coordinate with gendered pronouns he and she.
Meanings of CO
5 meaningsnoun
An odorless very poisonous gas that is a product of incomplete combustion of carbon
Similar: carbon monoxide, carbon monoxide gasOne who refuses to serve in the armed forces on grounds of conscienceperson
Similar: conscientious objectorA hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
Similar: cobalt, atomic number 27
Clipping of company.
multiple parts of speech
Abbreviation of company and related forms of that word.
pronoun
nonstandardThey (singular). Gender-neutral subject pronoun, coordinate with gendered pronouns he and she.
nonstandardThem (singular). Gender-neutral object pronoun, coordinate with gendered pronouns him and her.
Meanings from Wiktionary (CC BY-SA 4.0) and Open English WordNet (CC BY 4.0).