酸さん化か還かん元げんさんかかんげんMeanings1nounoxidation-reduction; redoxchemistryTechnical term in chemistry; often used in compounds like 酸化還元反応 (redox reaction).酸さん化か還かん元げん反はん応のうは電でん子しの授じゅ受じゅを伴ともなう。Redox reactions involve the transfer of electrons.