Definition of co

Overview of noun co

The noun co has 4 senses? (no senses from tagged texts)

1. carbon monoxide, carbon monoxide gas, CO

(an odorless very poisonous gas that is a product of incomplete combustion of carbon)

2. cobalt, Co, atomic number 27

(a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition)

3. conscientious objector, CO

(one who refuses to serve in the armed forces on grounds of conscience)

4. Colorado, Centennial State, CO

(a state in west central United States in the Rocky Mountains)