Synonyms:
Colorado, Centennial_State, CO
Meaning: a state in west central United States in the Rocky Mountains
Synonyms:
conscientious_objector, CO
Meaning: one who refuses to serve in the armed forces on grounds of conscience
Synonyms:
cobalt, Co, atomic_number_27
Meaning: a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
Synonyms:
carbon_monoxide, carbon_monoxide_gas, CO
Meaning: an odorless very poisonous gas that is a product of incomplete combustion of carbon