HyperDic: carbon_dioxide

English > 1 sense of the expression carbon dioxide:
NOUNsubstancecarbon dioxide, CO2, carbonic acid gasa heavy odorless colorless gas formed during respiration and by the decomposition of organic substances
English > carbon dioxide: 1 sense > noun 1, substance
MeaningA heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis.
SynonymsCO2, carbonic acid gas
Narrowerchokedamp, blackdampThe atmosphere in a mine following an explosion
BroaderdioxideAn oxide containing two atoms of oxygen in the molecule
greenhouse gas, greenhouse emissionA gas that contributes to the greenhouse effect by absorbing infrared radiation
Spanishanhídrido carbónico, bióxido de carbono, CO2, dióxido de carbono
CatalanCO2, diòxid de carboni
Verbscarbonatetreat with carbon dioxide

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