<p><strong>Verb</strong></p><ul><li>(used with object)<ul><li>To convert (an element) into an oxide; combine with oxygen.</li><li>To cover with a coating of oxide or rust.</li><li>To take away hydrogen, as by the action of oxygen; add oxygen or any nonmetal.</li><li>To remove electrons from (an atom or molecule), thereby increasing the valence.</li></ul></li><li>(used without object)<ul><li>To become oxidized.</li><li>(especially of white wine) To lose freshness after prolonged exposure to air and often to darken in color.</li></ul></li></ul>