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carbon-neutral
carbon-nitrogen cycle
carbon paper
carbon process
carbon resistor
carbon sequestration
carbon sink
carbon star
carbon steel
carbon tax
carbon tetrachloride
carbon trading
carbon value
carbonaceous
carbonade
carbonado
carbonara
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carbon dioxide
car·bon di·ox·ide


noun 
Definition:
 
colorless odorless gas: a heavy colorless odorless atmospheric gas. Source: respiration, combustion. Use: during photosynthesis, in refrigeration, carbonated drinks, fire extinguishers. CO2
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