Webster's Revised Unabridged Dictionary · 1913

aeration

aeration ({not transcribed}) , noun

[Compare French aération.]

1.
Exposure to the free action of the air; airing; as, aeration of soil, of spawn, etc.
2.
(Physiology) A change produced in the blood by exposure to the air in respiration; oxygenation of the blood in respiration; arterialization.
3.
The act or preparation of charging a liquid with carbon dioxide gas to make it effervescent.
4.
the act of charging a liquid with air or oxygen for the purpose of purification.

Also: Aeration