Plain form
ventilate

Third-person singular
ventilates

Past tense
ventilated

Past participle
ventilated

Present participle
ventilating

  1. If you are asked to ventilate the room, it means that you have to let air circulate by opening the windows or doors.
    Please ventilate the room. No one has entered for awhile and the air is stale.
  2. (medicine) If you are asked to ventilate a person, it means that you have to provide manual or mechanical breathing to them.
    The doctor used a ventilator to ventilate the patient as his blood has low oxygen levels.
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