verb (used with object), aer·at·ed, aer·at·ing.
- to expose to the action or effect of air or to cause air to circulate through: to aerate milk in order to remove odors.
- to change or treat with air or a gas, especially with carbon dioxide.
- Physiology. to expose (a medium or tissue) to air as in the oxygenation of the blood in respiration.
- to charge (a liquid) with a gas, esp carbon dioxide, as in the manufacture of effervescent drink
- to expose to the action or circulation of the air, so as to purify
- To add a gas, such as carbon dioxide, to a liquid.
- To supply with oxygen. Blood is aerated in the alveoli of the lungs.
- To supply with air or expose to the circulation of air.