English to English

verb (v)

• to remove oxygen from a compound, or cause to react with hydrogen or form a hydride, or to undergo an increase in the number of electrons(verb.change)

  Synonym:
  deoxidise, reduce
  Antonym:
  oxidate, oxidise, oxidize
  

  source: wordnet30
• To deprive of oxygen; to reduce from the state of an oxide.(verb)

  source: webster1913