reoxidise
/riːɒksɪdʌɪz/Definitions
1. verb
to cause something to become oxidized again; to convert a reduced substance back into its oxidized state.
“The reoxidisation process involved exposing the metal to air and water.”
2. verb
to restore or return a substance to its oxidized state.
“The engineer carefully monitored the reoxidisation of the chemical reaction.”