Word parts change

oxygen + -ate

Pronunciation change

Verb change

Plain form
oxygenate

Third-person singular
oxygenates

Past tense
oxygenated

Past participle
oxygenated

Present participle
oxygenating

  1. (transitive) If you oxygenate something, you treat or supply it with oxygen
    After we oxygenated the river, the fish returned.
  2. (transitive) (medicine) If you oxygenate a patient, you give them oxygen therapy.