A heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis.

synonyms: carbon dioxide, carbonic acid gas.

Dutch: koolstofdioxide, kooldioxide, koolzuur, koolzuurgas
Polish: ditlenek węgla, tlenek węgla (IV), dwutlenek węgla, CO2