disproportionation
dis pro por tion a tion |ˌdisprəˌpôrSHəˈnāSHən ˈˌdɪsprəpɔrʃəˈneɪʃən | ▶noun Chemistry a reaction in which a substance is simultaneously oxidized and reduced, giving two different products.
dis |pro ¦por ¦tion |ation |ˌdɪsprəpɔːʃəˈneɪʃ (ə )n | ▶noun [ mass noun ] Chemistry a reaction in which a substance is simultaneously oxidized and reduced, giving two different products.