What is "aeration"

aeration \aer*a"tion\, Aeration \A`["e]r*a"tion\, n. [Cf. F. a['e]ration.]

1. Exposure to the free action of the air; airing; as, a["e]ration of soil, of spawn, etc.

2. (Physiol.) 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.

Arterialization \Ar*te`ri*al*i*za"tion\, n. (Physiol.) The process of converting venous blood into arterial blood during its passage through the lungs, oxygen being absorbed and carbonic acid evolved; -- called also a["e]ration and hematosis.

1570s, from French aération, from aérer (v.), from Latin aer (see air (n.1)). In some cases, from aerate.

alt. The process by which air is circulated through or mixed with a substance such as soil or a liquid. n. The process by which air is circulated through or mixed with a substance such as soil or a liquid.

1. n. the process of exposing to air (so as to purify)

2. the act of charging a liquid with a gas making it effervescent

Aeration (also called aerification) is the process by which air is circulated through, mixed with or dissolved in a liquid or substance.