decarburizePronunciation: /diːˈkɑːbjʊrʌɪz/ (also decarburise)Definition of decarburize verb [with object] Metallurgy remove carbon from (iron or steel): high-carbon steel was decarburized in the forgeDerivatives decarburization noun Origin: mid 19th century: from de- (expressing removal) + carburize, on the pattern of French décarburerdecarburize in other Oxford dictionaries Definition of decarburize in the US English dictionary