Skip to Content


Pronunciation: ār′āt


  1. To supply (blood) with oxygen.
  2. To expose to the circulation of air for purification.
  3. To supply or charge (liquid) with a gas, especially carbon dioxide.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.