二に酸さん化か炭たん素そ固こ定ていMeaningsNoun1. carbon dioxide fixationKanji used二two酸acid化transformation炭charcoal素elementary固solidify定defineComposed of二に酸さん化か炭たん素そcarbon dioxide; CO2Noun固こ定ていfixing (in place); being fixed (in place); securing; anchoring; fastening down; fixing (e.g. salary, capital); keeping the same; fixation (histology)Noun