Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun co

4 senses of co

Sense 1
carbon monoxide, carbon monoxide gas, CO -- (an odorless very poisonous gas that is a product of incomplete combustion of carbon)
       => monoxide -- (an oxide containing just one atom of oxygen in the molecule)

Sense 2
cobalt, Co, atomic number 27 -- (a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition)
       => metallic element, metal -- (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)

Sense 3
conscientious objector, CO -- (one who refuses to serve in the armed forces on grounds of conscience)
       => dissenter, dissident, protester, objector, contestant -- (a person who dissents from some established policy)

Sense 4
Colorado, Centennial State, CO -- (a state in west central United States in the Rocky Mountains)
       INSTANCE OF=> American state -- (one of the 50 states of the United States)