oxidize

ˈɒksɪdʌɪz/

verb

past tense: oxidized; past participle: oxidized

1. combine chemically with oxygen.

   "when coal is burnt any sulphur is oxidized to sulphur dioxide"

2. CHEMISTRY

   undergo or cause to undergo a reaction in which electrons are lost to another species.

   "iron (II) compounds are slowly oxidized by air to form iron (III) compounds"