Co (Noun)

Meaning ¹

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

Classification

Nouns denoting substances.

Synonyms

• Cobalt
• Atomic Number 27

Hypernyms

• Metallic Element

Hyponyms

• Cobalt 60

Meaning ²

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

Classification

Nouns denoting people.

Synonyms

• Conscientious Objector

Hypernyms

• Protester
• Contestant
• Dissenter
• Objector

Meaning ³

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

Classification

Nouns denoting substances.

Synonyms

• Carbon Monoxide
• Carbon Monoxide Gas

Hypernyms

• Monoxide

Meaning ⁴

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

Classification

Nouns denoting spatial position.

Synonyms

• Colo.
• Colorado
• Centennial State