An odorless very poisonous gas that is a product of incomplete combustion of carbon.

synonyms: carbon monoxide, carbon monoxide gas.

Dutch: kolendamp, koolmonoxide
Polish: tlenek węgla, czad

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

synonyms: atomic number 27, cobalt.

Dutch: kobalt
Polish: Co, kobalt

One who refuses to serve in the armed forces on grounds of conscience.

synonym: conscientious objector.

Dutch: gewetensbezwaarde

A state in west central United States in the Rocky Mountains.

synonyms: Centennial State, Colo., Colorado.

Dutch: Colorado