English noun: CO |
1. | CO (substance) an odorless very poisonous gas that is a product of incomplete combustion of carbon |
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| Synonyms | carbon monoxide, carbon monoxide gas |
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| Broader (hypernym) | monoxide |
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2. | Co (substance) a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition |
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| Synonyms | atomic number 27, cobalt |
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| Broader (hypernym) | metal, metallic element |
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| Narrower (hyponym) | cobalt 60 |
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| Substance meronym | cobaltite, smaltite |
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3. | CO (person) one who refuses to serve in the armed forces on grounds of conscience |
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| Synonyms | conscientious objector |
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| Broader (hypernym) | contestant, dissenter, dissident, objector, protester |
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4. | CO (location) a state in west central United States in the Rocky Mountains |
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| Synonyms | Centennial State, Colorado |
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| Instance hypernym | American state |
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| Part holonym | Arkansas, 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 |
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| Part meronym | America, the States, U.S., U.S.A., United States, United States of America, US, USA |
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