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English definition of “carbon dioxide”

carbon dioxide

noun [U]     (also carbon, abbreviation CO2)
ENVIRONMENT the gas formed when carbon is burned, or when people or animals breathe out. Carbon dioxide is a greenhouse gas: The UK plans to reduce carbon dioxide emissions by 60% by 2050. Hotter days could be ahead as the carbon dioxide levels in Earth's atmosphere continue to rise.emit/release carbon dioxide Human energy consumption releases carbon dioxide into the atmosphere. absorb/capture carbon dioxide
→ Compare carbon monoxide
(Definition of carbon dioxide noun from the Cambridge Business English Dictionary © Cambridge University Press)
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