a reversible chemical process usually involving the transfer of electrons, in which one reaction is an oxidation and the reverse reaction is a reduction
b. Also: redox
(as modifier)
an oxidation-reduction reaction
oxidation-reduction in American English
(ˌɑksəˈdeɪʃənriˈdʌkʃən)
noun
a chemical reaction in which one of the reactants is reduced (gains one or more electrons) and another reactant is oxidized (loses one or more electrons)