reoxidize

/riˈɑksɪdaɪz/
verb
  1. To cause something to combine with oxygen again after it has been reduced or deoxidized.
    • If you expose the solution to air, it will reoxidize and change color.
    • The chemist needed to reoxidize the sample to restore its original properties.
    • In the recycling process, they reoxidize the metal to remove impurities.
Antonyms