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English noun: CO

1. CO (substance) an odorless very poisonous gas that is a product of incomplete combustion of carbon


Synonymscarbon monoxide, carbon monoxide gas


Broader (hypernym)monoxide

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


Synonymsatomic number 27, cobalt


Broader (hypernym)metal, metallic element


Narrower (hyponym)cobalt 60


Substance meronymcobaltite, smaltite

3. CO (person) one who refuses to serve in the armed forces on grounds of conscience


Synonymsconscientious objector


Broader (hypernym)contestant, dissenter, dissident, objector, protester

4. CO (location) a state in west central United States in the Rocky Mountains


SynonymsCentennial State, Colorado


Instance hypernymAmerican state


Part holonymArkansas, Arkansas River, Boulder, capital of Colorado, Colorado, Colorado Plateau, Colorado River, Colorado Springs, Denver, Mesa Verde National Park, Mile-High City, Mount Sherman, North Platte, North Platte River, Pike's Peak, Pueblo, Republican, Republican River, Rocky Mountain National Park, San Juan Mountains, Sherman, South Platte, South Platte River


Part meronymAmerica, the States, U.S., U.S.A., United States, United States of America, US, USA









Based on WordNet 3.0 copyright © Princeton University.
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